heart rate

Summary

Summary: The number of times the HEART VENTRICLES contract per unit of time, usually per minute.

Top Publications

  1. ncbi The relationship of autonomic imbalance, heart rate variability and cardiovascular disease risk factors
    Julian F Thayer
    The Ohio State University, Department of Psychology, 1835 Neil Avenue, Columbus, Ohio 43210, USA
    Int J Cardiol 141:122-31. 2010
  2. ncbi Cardiac interbeat interval dynamics from childhood to senescence : comparison of conventional and new measures based on fractals and chaos theory
    S M Pikkujämsä
    Division of Cardiology, Department of Internal Medicine, University of Oulu, Finland
    Circulation 100:393-9. 1999
  3. ncbi A comparison of rate control and rhythm control in patients with atrial fibrillation
    D G Wyse
    AFFIRM Clinical Trial Center, Axio Research, 2601 4th Ave, Ste. 200, Seattle, WA 98121, USA
    N Engl J Med 347:1825-33. 2002
  4. ncbi Fractal correlation properties of R-R interval dynamics and mortality in patients with depressed left ventricular function after an acute myocardial infarction
    H V Huikuri
    Division of Cardiology, Department of Medicine, University of Oulu, Finland
    Circulation 101:47-53. 2000
  5. ncbi Beyond heart rate variability: vagal regulation of allostatic systems
    Julian F Thayer
    Department of Psychology, The Ohio State University, Columbus, OH 43210, USA
    Ann N Y Acad Sci 1088:361-72. 2006
  6. ncbi Physiological background of the loss of fractal heart rate dynamics
    Mikko P Tulppo
    Merikoski Rehabilitation and Research Centre, Kasarmintie 13, PO Box 404, FIN 90101 Oulu, Finland
    Circulation 112:314-9. 2005
  7. ncbi Transcontinental and translational high-tech acupuncture research using computer-based heart rate and "Fire of Life" heart rate variability analysis
    Gerhard Litscher
    Unit of Biomedical Engineering in Anesthesia and Intensive Care Medicine, TCM Research Center Graz, Medical University of Graz, Auenbruggerplatz 29, Austria
    J Acupunct Meridian Stud 3:156-64. 2010
  8. ncbi Nocturnal hypertension in mice consuming a high fructose diet
    Vera Farah
    Boonshoft School of Medicine of Wright State University, Department of Pharmacology and Toxicology, Dayton, OH 45401, USA
    Auton Neurosci 130:41-50. 2006
  9. ncbi Heart rate variability: a review
    U Rajendra Acharya
    Department of ECE, Ngee Ann Polytechnic, 535 Clementi Road, Singapore, Singapore 599 489
    Med Biol Eng Comput 44:1031-51. 2006
  10. ncbi Randomized trial of rate-control versus rhythm-control in persistent atrial fibrillation: the Strategies of Treatment of Atrial Fibrillation (STAF) study
    Jorg Carlsson
    Department of Internal Medicine II, Klinikum Lippe Detmold, Röntgenstrasse 18, D 32760 Detmold, Germany
    J Am Coll Cardiol 41:1690-6. 2003

Research Grants

  1. FETAL REFLEX RESPONSES TO CEREBRAL HYPOPERFUSION
    Charles Wood; Fiscal Year: 1999
  2. The baroreflex in pregnancy: effects of adrenal and placental steroids
    Maureen Keller Wood; Fiscal Year: 2010
  3. Red Blood Cell Fatty Acid Biomarkers and Cardiovascular Disease Risk
    William S Harris; Fiscal Year: 2010
  4. Sleep and Brain Structure in Heart Failure
    MARY ANN WOO; Fiscal Year: 2010
  5. EMA Assessment of Biobehavioral Processes in Human Pregnancy
    Pathik D Wadhwa; Fiscal Year: 2010
  6. Factors that Initiate Arrhythamias in Long QT Syndrome
    Guy Salama; Fiscal Year: 2006
  7. The baroreflex in pregnancy: effects of adrenal and placental steroids
    Maureen Keller Wood; Fiscal Year: 2009
  8. Autonomic consequences of brief seizures
    Mark Stewart; Fiscal Year: 2004
  9. Factors that Initiate Arrhythmias in lung QT Syndrome
    Guy Salama; Fiscal Year: 2004
  10. Lead, Cadmium,Arsenic, and cardiovascular risk in children
    Eliseo Guallar; Fiscal Year: 2009

Detail Information

Publications295 found, 100 shown here

  1. ncbi The relationship of autonomic imbalance, heart rate variability and cardiovascular disease risk factors
    Julian F Thayer
    The Ohio State University, Department of Psychology, 1835 Neil Avenue, Columbus, Ohio 43210, USA
    Int J Cardiol 141:122-31. 2010
    ..b>Heart rate variability (HRV) may be used to assess autonomic imbalances, diseases and mortality...
  2. ncbi Cardiac interbeat interval dynamics from childhood to senescence : comparison of conventional and new measures based on fractals and chaos theory
    S M Pikkujämsä
    Division of Cardiology, Department of Internal Medicine, University of Oulu, Finland
    Circulation 100:393-9. 1999
    ..based on fractal scaling and nonlinear dynamics ("chaos theory") may give new insights into heart rate dynamics...
  3. ncbi A comparison of rate control and rhythm control in patients with atrial fibrillation
    D G Wyse
    AFFIRM Clinical Trial Center, Axio Research, 2601 4th Ave, Ste. 200, Seattle, WA 98121, USA
    N Engl J Med 347:1825-33. 2002
    ..Anticoagulation should be continued in this group of high-risk patients...
  4. ncbi Fractal correlation properties of R-R interval dynamics and mortality in patients with depressed left ventricular function after an acute myocardial infarction
    H V Huikuri
    Division of Cardiology, Department of Medicine, University of Oulu, Finland
    Circulation 101:47-53. 2000
    ..The purpose of this study was to compare the prognostic power of new fractal and traditional measures of R-R interval variability as predictors of death after acute myocardial infarction...
  5. ncbi Beyond heart rate variability: vagal regulation of allostatic systems
    Julian F Thayer
    Department of Psychology, The Ohio State University, Columbus, OH 43210, USA
    Ann N Y Acad Sci 1088:361-72. 2006
    ..Decreased vagal function and heart rate variability (HRV) were shown to be associated with increased fasting glucose and hemoglobin A1c levels, ..
  6. ncbi Physiological background of the loss of fractal heart rate dynamics
    Mikko P Tulppo
    Merikoski Rehabilitation and Research Centre, Kasarmintie 13, PO Box 404, FIN 90101 Oulu, Finland
    Circulation 112:314-9. 2005
    Altered fractal heart rate (HR) dynamics occur during various disease states, but the physiological background of abnormal fractal HR behavior is not well known...
  7. ncbi Transcontinental and translational high-tech acupuncture research using computer-based heart rate and "Fire of Life" heart rate variability analysis
    Gerhard Litscher
    Unit of Biomedical Engineering in Anesthesia and Intensive Care Medicine, TCM Research Center Graz, Medical University of Graz, Auenbruggerplatz 29, Austria
    J Acupunct Meridian Stud 3:156-64. 2010
    ..Today, new computer-based methods (e.g., "Fire of Life" analysis) allow quantification of heart rate and heart rate variability during acupuncture...
  8. ncbi Nocturnal hypertension in mice consuming a high fructose diet
    Vera Farah
    Boonshoft School of Medicine of Wright State University, Department of Pharmacology and Toxicology, Dayton, OH 45401, USA
    Auton Neurosci 130:41-50. 2006
    OBJECTIVE: To investigate the effect of fructose consumption on the light/dark pattern of blood pressure, heart rate and autonomic neural function in mice...
  9. ncbi Heart rate variability: a review
    U Rajendra Acharya
    Department of ECE, Ngee Ann Polytechnic, 535 Clementi Road, Singapore, Singapore 599 489
    Med Biol Eng Comput 44:1031-51. 2006
    b>Heart rate variability (HRV) is a reliable reflection of the many physiological factors modulating the normal rhythm of the heart...
  10. ncbi Randomized trial of rate-control versus rhythm-control in persistent atrial fibrillation: the Strategies of Treatment of Atrial Fibrillation (STAF) study
    Jorg Carlsson
    Department of Internal Medicine II, Klinikum Lippe Detmold, Röntgenstrasse 18, D 32760 Detmold, Germany
    J Am Coll Cardiol 41:1690-6. 2003
    ....
  11. ncbi Plasma leptin concentrations and cardiac autonomic nervous system in healthy subjects with different body weights
    G Paolisso
    Department of Geriatric Medicine and Metabolic Diseases II, University of Naples, Italy
    J Clin Endocrinol Metab 85:1810-4. 2000
    Previous studies have shown that leptin stimulates sympathetic nervous system; heart rate variability (HRV) is a widely used technique for assessing the sympathovagal balance at the cardiac level...
  12. ncbi An autonomic flexibility-neurovisceral integration model of anxiety and cardiac vagal tone
    Bruce H Friedman
    Department of Psychology, Virginia Polytechnic Institute and State University, Blacksburg, VA 24061 0436, USA
    Biol Psychol 74:185-99. 2007
    Research on heart rate variability (HRV), cardiac vagal tone, and their relationship to anxiety is reviewed in the context of the autonomic flexibility and neurovisceral integration models of adaptive functioning...
  13. ncbi Cardiovascular, electrodermal, and respiratory response patterns to fear- and sadness-inducing films
    Sylvia D Kreibig
    Department of Psychology, Swiss Center for Affective Sciences, University of Geneva, Geneva, Switzerland
    Psychophysiology 44:787-806. 2007
    Responses to fear- and sadness-inducing films were assessed using a broad range of cardiovascular (heart rate, T-wave amplitude, low- and high-frequency heart rate variability, stroke volume, preejection period, left-ventricular ejection ..
  14. ncbi Effects of cardiac autonomic dysfunction on mortality risk in the Action to Control Cardiovascular Risk in Diabetes (ACCORD) trial
    Rodica Pop-Busui
    Division of Metabolism, Endocrinology and Diabetes, University of Michigan, Ann Arbor, Michigan, USA
    Diabetes Care 33:1578-84. 2010
    ....
  15. ncbi Heart-rate turbulence after ventricular premature beats as a predictor of mortality after acute myocardial infarction
    G Schmidt
    Erste Medizinische Klinik, Technischen Universitat Munchen, Germany
    Lancet 353:1390-6. 1999
    ..Thus, establishment of a new powerful method for risk prediction independent of the available stratifiers is of considerable practical value...
  16. ncbi Predicting survival in heart failure case and control subjects by use of fully automated methods for deriving nonlinear and conventional indices of heart rate dynamics
    K K Ho
    Cardiovascular Division, Beth Israel Deaconess Medical Center, Boston, Mass 02215 5491, USA
    Circulation 96:842-8. 1997
    Despite much recent interest in quantification of heart rate variability (HRV), the prognostic value of conventional measures of HRV and of newer indices based on nonlinear dynamics is not universally accepted.
  17. ncbi Short-term heart rate variability strongly predicts sudden cardiac death in chronic heart failure patients
    Maria Teresa La Rovere
    Divisione di Cardiologia e Bioingegneria, Fondazione Salvatore Maugeri, IRCCS Istituto Scientifico di Montescano, Pavia, Italy
    Circulation 107:565-70. 2003
    The predictive value of heart rate variability (HRV) in chronic heart failure (CHF) has never been tested in a comprehensive multivariate model using short-term laboratory recordings designed to avoid the confounding effects of ..
  18. ncbi Heart-rate profile during exercise as a predictor of sudden death
    Xavier Jouven
    Service de cardiologie, Faculté René Descartes, Universite Paris 5, Hopital Europeen Georges Pompidou, Paris, France
    N Engl J Med 352:1951-8. 2005
    Changes in heart rate during exercise and recovery from exercise are mediated by the balance between sympathetic and vagal activity...
  19. ncbi Toward understanding respiratory sinus arrhythmia: relations to cardiac vagal tone, evolution and biobehavioral functions
    Paul Grossman
    Department of Psychosomatic and Internal Medicine, Psychophysiology Research Laboratory, University of Basel Hospital, Hebelstrasse 2, CH 4031 Basel, Switzerland
    Biol Psychol 74:263-85. 2007
    ..Finally, a recent hypothesis is expanded upon, in which RSA plays a primary role in regulation of energy exchange by means of synchronizing respiratory and cardiovascular processes during metabolic and behavioral change...
  20. ncbi Dronedarone for maintenance of sinus rhythm in atrial fibrillation or flutter
    Bramah N Singh
    Cardiology Division, Veterans Affairs Greater Los Angeles Healthcare System and the David Geffen School of Medicine at UCLA, Los Angeles, CA 90073, USA
    N Engl J Med 357:987-99. 2007
    ..Dronedarone is a new antiarrhythmic agent pharmacologically related to amiodarone but developed to reduce the risk of side effects...
  21. ncbi Heart rate variability, prefrontal neural function, and cognitive performance: the neurovisceral integration perspective on self-regulation, adaptation, and health
    Julian F Thayer
    Department of Psychology, The Ohio State University, 1835 Neil Avenue, Columbus, OH 43210, USA
    Ann Behav Med 37:141-53. 2009
    In the present paper, we describe a model of neurovisceral integration in which a set of neural structures involved in cognitive, affective, and autonomic regulation are related to heart rate variability (HRV) and cognitive performance.
  22. ncbi Circadian profile of cardiac autonomic nervous modulation in healthy subjects: differing effects of aging and gender on heart rate variability
    Hendrik Bonnemeier
    Medizinische Kinik II, Medizinische Universitat zu Lubeck, Lubeck, Germany
    J Cardiovasc Electrophysiol 14:791-9. 2003
    Circadian Profile of Heart Rate Variability.
  23. ncbi Heart rate variability: origins, methods, and interpretive caveats
    G G Berntson
    Department of Psychology, Ohio State University, Columbus 43210, USA
    Psychophysiology 34:623-48. 1997
    Components of heart rate variability have attracted considerable attention in psychology and medicine and have become important dependent measures in psychophysiology and behavioral medicine...
  24. ncbi Effects of different doses of physical activity on cardiorespiratory fitness among sedentary, overweight or obese postmenopausal women with elevated blood pressure: a randomized controlled trial
    Timothy S Church
    Pennington Biomedical Research Center, Louisiana State University System, Baton Rouge 70808 4124, USA
    JAMA 297:2081-91. 2007
    ..However, a poor understanding of the physical activity-fitness dose response relation remains...
  25. ncbi Software for advanced HRV analysis
    Juha-Pekka Niskanen
    Department of Applied Physics, University of Kuopio, P.O.Box 1627, FIN 70211 Kuopio, Finland
    Comput Methods Programs Biomed 76:73-81. 2004
    A computer program for advanced heart rate variability (HRV) analysis is presented. The program calculates all the commonly used time- and frequency-domain measures of HRV as well as the nonlinear Poincaré plot...
  26. ncbi Heart rate as a risk factor in chronic heart failure (SHIFT): the association between heart rate and outcomes in a randomised placebo-controlled trial
    Michael Bohm
    Universitatsklinikum des Saarlandes, Klinik fur Innere Medizin III, Homburg Saar, Germany
    Lancet 376:886-94. 2010
    Raised resting heart rate is a marker of cardiovascular risk. We postulated that heart rate is also a risk factor for cardiovascular events in heart failure...
  27. ncbi Bioengineering assessment of acupuncture, part 7: heart rate variability
    Gerhard Litscher
    Research Unit of Biomedical Engineering in Anesthesia and Intensive Care Medicine and Traditional Chinese Medicine TCM Research Center, Medical University of Graz, Graz, Austria
    Crit Rev Biomed Eng 35:183-95. 2007
    In the seventh part of this review article, preliminary research on the topic of acupuncture and heart rate variability is described. Heart rate variability (HRV) refers to the beat-to-beat alterations in heart rate...
  28. ncbi RGS6/Gβ5 complex accelerates IKACh gating kinetics in atrial myocytes and modulates parasympathetic regulation of heart rate
    Ekaterina Posokhova
    Department of Pharmacology, University of Minnesota, Minneapolis, MN 55455, USA
    Circ Res 107:1350-4. 2010
    The parasympathetic reduction in heart rate involves the sequential activation of m2 muscarinic cholinergic receptors (m(2)Rs), pertussis toxin-sensitive (Gi/o) heterotrimeric G proteins, and the atrial potassium channel I(KACh)...
  29. ncbi Autonomic dysregulation in essential hypertension: insight from heart rate and arterial pressure variability
    M Pagani
    Department of Internal Medicine, University of Milano, Italy
    Auton Neurosci 90:76-82. 2001
    ..In prior studies, we reported that parameters obtained by spectral analysis of heart rate variability (HRV) might furnish useful information on autonomic normal and abnormal nervous system regulation...
  30. ncbi American Heart Association/American College of Cardiology Foundation/Heart Rhythm Society Scientific Statement on Noninvasive Risk Stratification Techniques for Identifying Patients at Risk for Sudden Cardiac Death. A scientific statement from the America
    Jeffrey J Goldberger
    J Am Coll Cardiol 52:1179-99. 2008
  31. ncbi Impact of depression and antidepressant treatment on heart rate variability: a review and meta-analysis
    Andrew H Kemp
    School of Psychology, University of Sydney, Sydney, Australia
    Biol Psychiatry 67:1067-74. 2010
    ..in the likelihood of cardiac events; however, studies investigating the relationship between depression and heart rate variability (HRV) have generally focused on patients with cardiovascular disease (CVD)...
  32. ncbi Effects of indoor, outdoor, and personal exposure to particulate air pollution on cardiovascular physiology and systemic mediators in seniors
    Ling Liu
    Healthy Environments and Consumer Safety Branch, Health Canada, Ottawa, Ontario, Canada K1A 0K9
    J Occup Environ Med 51:1088-98. 2009
    ..To investigate the associations between exposure to particulate air pollution and changes in cardiovascular function and plasma mediators in seniors...
  33. ncbi Heart rate dependency of pulse pressure amplification and arterial stiffness
    Ian B Wilkinson
    Clinical Pharmacology Unit, University of Edinburgh, Western General Hospital, United Kingdom
    Am J Hypertens 15:24-30. 2002
    ..The aim of the present study was to assess the effect of acute changes in heart rate on arterial stiffness and on peripheral and central pulse pressure in healthy subjects.
  34. ncbi Insights from the study of heart rate variability
    P K Stein
    Division of Cardiology, Barnes Jewish Hospital, Washington University School of Medicine, St Louis, Missouri 63110, USA
    Annu Rev Med 50:249-61. 1999
    Indices of heart rate variability (HRV) provide a window onto autonomic modulation of the heart...
  35. ncbi Adiponectin concentrations in sera from patients with type 2 diabetes are negatively associated with sympathovagal balance as evaluated by power spectral analysis of heart rate variation
    Sadao Wakabayashi
    Department of Internal Medicine, Koshigaya Hospital, Dokkyo University School of Medicine, 2-1-50 Minami-Koshigaya, Koshigaya, Saitama 343-8555, Japan
    Diabetes Care 27:2392-7. 2004
    ..cardiac autonomic activity, particularly sympathovagal balance as estimated by power spectral analysis (PSA) of heart rate variation (HRV), is associated with serum adiponectin concentrations in patients with type 2 diabetes...
  36. ncbi Particulate air pollution, metabolic syndrome, and heart rate variability: the multi-ethnic study of atherosclerosis (MESA)
    Sung Kyun Park
    Department of Environmental Health Sciences, School of Public Health, University of Michigan, Ann Arbor, Michigan 48109, USA
    Environ Health Perspect 118:1406-11. 2010
    ..5 µm in diameter (PM2.5) and cardiovascular disease (CVD). We examined the associations of PM2.5 with heart rate variability, a marker of autonomic function, and whether metabolic syndrome (MetS) modified these associations.
  37. ncbi Reduced heart rate multiscale entropy predicts death in critical illness: a study of physiologic complexity in 285 trauma patients
    Patrick R Norris
    Division of Trauma, Burn, and Surgical Critical Care, Vanderbilt University Medical Center, Nashville, TN 37232, USA
    J Crit Care 23:399-405. 2008
    We have shown previously that reduced integer heart rate variability (HRVi) predicts death in trauma patients...
  38. ncbi Validity of the polar S810 heart rate monitor to measure R-R intervals at rest
    François Xavier Gamelin
    Faculty of Sport Sciences, University of Lille, Ronchin, France
    Med Sci Sports Exerc 38:887-93. 2006
    This study was conducted to compare R-R intervals and the subsequent analysis of heart rate variability (HRV) obtained from the Polar S810 heart rate monitor (HRM) (Polar Electro Oy) with an electrocardiogram (ECG) (Physiotrace, Estaris, ..
  39. ncbi Deceleration capacity of heart rate as a predictor of mortality after myocardial infarction: cohort study
    Axel Bauer
    , Klinikum rechts der Isar, , Germany
    Lancet 367:1674-81. 2006
    ..variability, we used a signal-processing algorithm to separately characterise deceleration and acceleration of heart rate. We postulated that diminished deceleration-related modulation of heart rate is an important prognostic marker...
  40. ncbi The role of vagal function in the risk for cardiovascular disease and mortality
    Julian F Thayer
    Department of Psychology, The Ohio State University, Columbus, OH 43210, USA
    Biol Psychol 74:224-42. 2007
    ..Using a broad range of indicators of vagal function including resting heart rate, heart rate recovery, heart rate variability, and baroreflex sensitivity we show that decreased vagal function ..
  41. ncbi Age-predicted maximal heart rate revisited
    H Tanaka
    Department of Kinesiology and Applied Physiology, University of Colorado at Boulder, 80309 0354, USA
    J Am Coll Cardiol 37:153-6. 2001
    We sought to determine a generalized equation for predicting maximal heart rate (HRmax) in healthy adults.
  42. ncbi Fractal dynamics in physiology: alterations with disease and aging
    Ary L Goldberger
    Cardiovascular Division and Margret and H A Rey Laboratory for Nonlinear Dynamics in Medicine, Department of Medicine, Beth Israel Deaconess Medical Center Harvard Medical School, Boston, MA 02215, USA
    Proc Natl Acad Sci U S A 99:2466-72. 2002
    ..Elucidating the fractal and nonlinear mechanisms involved in physiologic control and complex signaling networks is emerging as a major challenge in the postgenomic era...
  43. ncbi Exercise capacity and mortality among men referred for exercise testing
    Jonathan Myers
    Division of Cardiovascular Medicine, Stanford University Medical Center and the Veterans Affairs Palo Alto Health Care System, Palo Alto, Calif CA 94304, USA
    N Engl J Med 346:793-801. 2002
    ..There is also uncertainty regarding the predictive power of exercise capacity relative to other clinical and exercise-test variables...
  44. ncbi Heart rate variability explored in the frequency domain: a tool to investigate the link between heart and behavior
    Nicola Montano
    Department of Clinical Science, Luigi Sacco Hospital, University of Milan, Milan, Italy
    Neurosci Biobehav Rev 33:71-80. 2009
    ..Spectral analysis of cardiovascular signal variability, and in particular of RR period (heart rate variability, HRV), is a widely used procedure to investigate autonomic cardiovascular control and/or target ..
  45. ncbi Autonomic effects of controlled fine particulate exposure in young healthy adults: effect modification by ozone
    Asghar A Fakhri
    Cardiovascular Epidemiology Research Unit, Department of Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02215, USA
    Environ Health Perspect 117:1287-92. 2009
    ..studies have assessed the impact of ambient fine particulate matter on cardiac autonomic function measured by heart rate variability (HRV), but whether these effects are modified by concomitant ozone exposure remains unknown.
  46. ncbi Basic notions of heart rate variability and its clinical applicability
    Luiz Carlos Marques Vanderlei
    Faculty of Health and Technology, FCT UNESP, Presidente Prudente, Sao Paulo, SP, Brazil
    Rev Bras Cir Cardiovasc 24:205-17. 2009
    ..Among the techniques used in its evaluation, the heart rate variability (HRV) has arising as a simple and non-invasive measure of the autonomic impulses, representing one ..
  47. ncbi Diesel exhaust inhalation does not affect heart rhythm or heart rate variability
    Nicholas L Mills
    Centre for Cardiovascular Science, The University of Edinburgh, Edinburgh, UK
    Heart 97:544-50. 2011
    ..This study was undertaken to determine the effect of diesel exhaust inhalation on heart rhythm and heart rate variability in healthy volunteers and patients with coronary heart disease.
  48. ncbi Clinical impact of evaluation of cardiovascular control by novel methods of heart rate dynamics
    Heikki V Huikuri
    Department of Internal Medicine, Institute of Clinical Medicine, Centre of Excellence in Research, University of Oulu, Oulu 90014, Finland
    Philos Trans A Math Phys Eng Sci 367:1223-38. 2009
    b>Heart rate variability (HRV) has been conventionally analysed with time- and frequency-domain methods, which measure the overall magnitude of RR interval fluctuations around its mean value or the magnitude of fluctuations in some ..
  49. ncbi Genome-wide association analysis identifies multiple loci related to resting heart rate
    Mark Eijgelsheim
    Department of Epidemiology, Erasmus Medical Center, Rotterdam, The Netherlands
    Hum Mol Genet 19:3885-94. 2010
    Higher resting heart rate is associated with increased cardiovascular disease and mortality risk. Though heritable factors play a substantial role in population variation, little is known about specific genetic determinants...
  50. ncbi Longitudinal evidence for unfavorable effects of antidepressants on heart rate variability
    Carmilla M M Licht
    Department of Psychiatry, EMGO Institute for Health and Care Research, Vrije Universiteit Medical Center, Amsterdam, The Netherlands
    Biol Psychiatry 68:861-8. 2010
    ..It was previously shown that antidepressants are associated with diminished vagal control over the heart. Longitudinal studies are needed to test the causality of this association further...
  51. ncbi Effect of dietary omega-3 fatty acids on the heart rate and the heart rate variability responses to myocardial ischemia or submaximal exercise
    George E Billman
    Dept of Physiology and Cell Biology, Ohio State Univ, 304 Hamilton Hall, 1645 Neil Ave, Columbus, OH 43210 1218, USA
    Am J Physiol Heart Circ Physiol 300:H2288-99. 2011
    The consumption of omega-3 polyunsaturated fatty acids (n-3 PUFAs) has been reported to decrease resting heart rate (HR) and increase heart rate variability (HRV)...
  52. ncbi Prediction of mortality using measures of cardiac autonomic dysfunction in the diabetic and nondiabetic population: the MONICA/KORA Augsburg Cohort Study
    Dan Ziegler
    Institute for Clinical Diabetes Research, German Diabetes Center, Leibniz Institute at the Heinrich Heine University, Dusseldorf, Germany
    Diabetes Care 31:556-61. 2008
    To evaluate whether reduced heart rate variability (HRV), prolonged corrected QT (QTc) interval, or increased QT dispersion (QTD) are predictors of mortality in the general diabetic and nondiabetic population.
  53. ncbi Point: cardiovascular variability is/is not an index of autonomic control of circulation
    Gianfranco Parati
    Department of Clinical Medicine Prevention and Applied Biotechnology University of Milano-Bicocca Milan, Italy
    J Appl Physiol 101:676-8; discussion 681-2. 2006
  54. ncbi Increased sympathetic and decreased parasympathetic activity rather than changes in hypothalamic-pituitary-adrenal axis activity is associated with metabolic abnormalities
    Carmilla M M Licht
    Department of Psychiatry EMGO Institute, Vrije Universiteit Medical Center, AJ Ernststraat 887, 1081 HL Amsterdam, The Netherlands
    J Clin Endocrinol Metab 95:2458-66. 2010
    ..Stress is suggested to lead to metabolic dysregulations as clustered in the metabolic syndrome, but the underlying biological mechanisms are not yet well understood...
  55. ncbi Relationship between major depression and heart rate variability. Clinical consequences and implications for antidepressive treatment
    Marcus W Agelink
    Department of Biological Psychiatry and Neuroscience, Evangl Clinics Gelsenkirchen, Ruhr-University of Bochum, Munckelstr. 27, D-45879, Gelsenkirchen, Germany
    Psychiatry Res 113:139-49. 2002
    ..Standardized tests of heart rate variability (HRV) allow a quantitative estimation of autonomic nervous system function...
  56. ncbi Cardiovascular effects of human insular cortex stimulation
    S M Oppenheimer
    Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD 21205
    Neurology 42:1727-32. 1992
    ..These findings may be of relevance in predicting the autonomic effects of stroke in humans and in the explanation of sudden unexpected epileptic death...
  57. ncbi Hypothalamic arcuate nucleus mediates the sympathetic and arterial pressure responses to leptin
    Kamal Rahmouni
    Center on Functional Genomics of Hypertension, Department of Internal Medicine, University of Iowa, Iowa City, IA 52242, USA
    Hypertension 49:647-52. 2007
    ..These results also suggest that the cardiovascular effects of leptin might be evoked by the action of this hormone in the arcuate nucleus of the hypothalamus...
  58. ncbi Progression of large artery structural and functional alterations in Type I diabetes
    C Giannattasio
    Internal Medicine, , S.Gerardo Hospital, Monza, Milano, Italy
    Diabetologia 44:203-8. 2001
    ..CONCLUSION/INTERPRETATION: The early reduction in arterial distensibility and increase in arterial wall thickness characterizing uncomplicated normotensive Type I diabetes patients shows a measurable worsening over the short term...
  59. ncbi How accurately can we estimate energetic costs in a marine top predator, the king penguin?
    Lewis G Halsey
    Centre for Ornithology, School of Biosciences, University of Birmingham, Edgbaston B15 2TT, UK
    Zoology (Jena) 110:81-92. 2007
    ..Energy consumption has been estimated for many marine species using the heart rate-rate of oxygen consumption (f(H) - V(O2)) technique, and the technique has been applied successfully to answer ..
  60. ncbi Periodic variation in R-R intervals and cardiovascular autonomic regulation in young adult Syrian hamsters
    H Mongue-Din
    Institut de Myologie INSERM, Groupe Hospitalier Pitie Salpetriere, Paris, France
    Am J Physiol Regul Integr Comp Physiol 296:R610-7. 2009
    ..However, little is known about heart rate variability (HRV) in this species...
  61. ncbi Nitric oxide can increase heart rate by stimulating the hyperpolarization-activated inward current, I(f)
    P Musialek
    University Laboratory of Physiology, Oxford, UK
    Circ Res 81:60-8. 1997
    ..This may contribute to the sinus tachycardia in pathological conditions associated with an increase in myocardial production of NO...
  62. ncbi Circadian control of mouse heart rate and blood pressure by the suprachiasmatic nuclei: behavioral effects are more significant than direct outputs
    W John Sheward
    Centre for Cardiovascular Science, University of Edinburgh, Edinburgh, United Kingdom
    PLoS ONE 5:e9783. 2010
    ..The aim of this study was to assess the influence of the suprachiasmatic nucleus (SCN) circadian clock on cardiovascular function...
  63. ncbi Oral clonidine premedication preserves heart rate variability for patients undergoing larparoscopic cholecystectomy
    H-P Yu
    Department of Anesthesiology, Chang Gung Memorial Hospital, Taoyuan, Department of Anesthesiology, Veterans General Hospital-Taipei, Taipei, Taiwan
    Acta Anaesthesiol Scand 47:185-90. 2003
    ..Analysis of heart rate variability was used to quantify the control of heart rate at baseline, and during the pneumoperitoneum and ..
  64. ncbi Stretch-induced changes in heart rate and rhythm: clinical observations, experiments and mathematical models
    P Kohl
    University Laboratory of Physiology, Oxford, UK
    Prog Biophys Mol Biol 71:91-138. 1999
    ..MEF is thought to be involved in the adjustment of heart rate to changes in mechanical load and would help to explain the precise beat-to-beat regulation of cardiac ..
  65. ncbi Measurement of heart rate variability by methods based on nonlinear dynamics
    Heikki V Huikuri
    Division of Cardiology, Department of Internal Medicine, University of Oulu, Finland
    J Electrocardiol 36:95-9. 2003
    b>Heart rate (HR) variability has been conventionally analyzed with time and frequency domain methods, which measure the overall magnitude of R-R interval fluctuations around its mean value or the magnitude of fluctuations in some ..
  66. ncbi Short-term fasting-induced autonomic activation and changes in catecholamine levels are not mediated by changes in leptin levels in healthy humans
    Jean L Chan
    Division of Endocrinology, Diabetes, and Metabolism, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA 02215, USA
    Clin Endocrinol (Oxf) 66:49-57. 2007
    ..We evaluated whether inducing hypoleptinaemia (with and without administration of leptin at replacement doses) for 3 days would influence catecholamine levels and sympathetic and parasympathetic activity in healthy humans...
  67. ncbi Cardiovascular autonomic dysregulation and fatigue in multiple sclerosis
    S Merkelbach
    Department of Neurology, University Hospital, Homburg/Saar, Germany
    Mult Scler 7:320-6. 2001
    ..Thus, autonomic disturbances might contribute to fatigue symptoms in a MS subgroup, but the overall influence of the autonomic cardiovascular regulation towards fatigue experience seems to be of minor relevance...
  68. ncbi Heart rate multiscale entropy at three hours predicts hospital mortality in 3,154 trauma patients
    Patrick R Norris
    Division of Trauma, Burn, and Surgical Critical Care, Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee, USA
    Shock 30:17-22. 2008
    ..Previously, we have shown integer heart rate (HR) multiscale entropy (MSE), an indicator of complexity, predicts death based on long duration (12 h) and ..
  69. ncbi Heart rate and blood pressure responses to tobacco smoking among African-American adolescents
    Eric T Moolchan
    National Institute on Drug Abuse, Intramural Research Program National Institutes of Health, U S Department of Health and Human Services, S 5500 Nathan Shock Drive, Baltimore, MD 21224, USA
    J Natl Med Assoc 96:767-71. 2004
    ..Blood pressure, heart rate, and exhaled carbon monoxide (CO) concentrations were measured before and after smoking; mean puff volume (mL), ..
  70. ncbi Decrease in the heart rate complexity prior to the onset of atrial fibrillation
    Volkan Tuzcu
    Department of Pediatrics, Division of Cardiology, Arkansas Children s Hospital, University of Arkansas for Medical Sciences, 800 Marshall Street, Slot 512 3, Little Rock, AR 72202, USA
    Europace 8:398-402. 2006
    To assess heart rate complexity changes prior to the onset of atrial fibrillation (AF) using sample entropy. It has been proposed that the autonomic nervous system might have a role in the initiation of AF.
  71. ncbi Low dose mercury and heart rate variability among community residents nearby to an industrial complex in Korea
    Sinye Lim
    Department of Occupational and Environmental Medicine, College of Medicine, Kyunghee University, Seoul, Republic of Korea
    Neurotoxicology 31:10-6. 2010
    ..In this cross-sectional study, the hair mercury was analyzed in relation to the cardiac autonomic activity among community residents nearby to an industrial complex in Korea...
  72. ncbi Diabetic hypertensive leptin receptor-deficient db/db mice develop cardioregulatory autonomic dysfunction
    Andrey C da Costa Goncalves
    Max Delbruck Center for Molecular Medicine, Robert Rossle Strasse 10, 13125 Berlin, Germany
    Hypertension 53:387-92. 2009
    ..The resting period BP (117+/-3 versus 108+/-1.0 mm Hg) and heart rate (HR; 488+/-12 versus 436+/-8 bpm) were higher in db/db mice compared with db/+ mice...
  73. ncbi Brain and autonomic association accompanying stochastic decision-making
    Hideki Ohira
    Department of Psychology, Nagoya University, Furo, Chikusa, Nagoya, Japan
    Neuroimage 49:1024-37. 2010
    ..These findings suggest that the prefrontal-striatal network provides a neural basis for decision-making and modulation over the peripheral autonomic activity accompanying decision-making...
  74. ncbi Limbic dysregulation is associated with lowered heart rate variability and increased trait anxiety in healthy adults
    Lilianne R Mujica-Parodi
    Department of Biomedical Engineering, Stony Brook University, Stony Brook, New York 11794 8181, USA
    Hum Brain Mapp 30:47-58. 2009
    ....
  75. ncbi Insulin regulation of heart function in aging fruit flies
    Robert J Wessells
    The Burnham Institute, Center for Neuroscience and Aging, 10901 Torrey Pines Road, La Jolla, California 92037, USA
    Nat Genet 36:1275-81. 2004
    ..progressive changes of heart function in aging fruit flies: from one to seven weeks of a fly's age, the resting heart rate decreases and the rate of stress-induced heart failure increases...
  76. ncbi A comparison of rate control and rhythm control in patients with recurrent persistent atrial fibrillation
    Isabelle C Van Gelder
    Department of Cardiology, Thoraxcenter, University Hospital, Groningen, The Netherlands
    N Engl J Med 347:1834-40. 2002
    ..We hypothesized that ventricular rate control is not inferior to the maintenance of sinus rhythm for the treatment of atrial fibrillation...
  77. ncbi Aerobic interval training versus continuous moderate exercise as a treatment for the metabolic syndrome: a pilot study
    Arnt Erik Tjønna
    Department of Circulation and Medical Imaging, Norwegian University of Science and Technology, Trondheim, Norway
    Circulation 118:346-54. 2008
    ..We compared moderate and high exercise intensity with regard to variables associated with cardiovascular function and prognosis in patients with the metabolic syndrome...
  78. ncbi From mental power to muscle power--gaining strength by using the mind
    Vinoth K Ranganathan
    Department of Biomedical Engineering/ND20, The Lerner Research Institute, The Cleveland Clinic Foundation, 9500 Euclid Avenue, Cleveland, OH 44195, USA
    Neuropsychologia 42:944-56. 2004
    ..We conclude that the mental training employed by this study enhances the cortical output signal, which drives the muscles to a higher activation level and increases strength...
  79. ncbi Heart rate as a predictor of energy expenditure in undisturbed fasting and incubating penguins
    R Groscolas
    Institut Pluridisciplinaire Hubert Curien, Departement d Ecologie, Physiologie et Ethologie, UMR 7178, 23 rue Becquerel, 67087 Strasbourg Cedex 02, France
    J Exp Biol 213:153-60. 2010
    b>Heart rate (f(H)) measurement offers the possibility to monitor energy expenditure (EE) in wild animals if the EE/f(H) relationship for the species, physiological stages and activities of interest is known...
  80. ncbi Autonomic specificity of basic emotions: evidence from pattern classification and cluster analysis
    Chad L Stephens
    Virginia Polytechnic Institute and State University, Blacksburg, VA 24061 0436, USA
    Biol Psychol 84:463-73. 2010
    ..women) listened to emotion-inducing music and viewed affective films while a montage of ANS variables, including heart rate variability indices, peripheral vascular activity, systolic time intervals, and electrodermal activity, were ..
  81. ncbi Multivariate short-term heart rate variability: a pre-diagnostic tool for screening heart disease
    Andreas Heitmann
    Department of Medical Engineering and Biotechnology, University of Applied Sciences Jena, Jena, Germany
    Med Biol Eng Comput 49:41-50. 2011
    ..develop a novel pre-diagnostic tool for primary care screening of heart disease based on multivariate short-term heart rate variability (HRV) analyzed by linear (time and frequency domain) and nonlinear methods (compression entropy (CE),..
  82. ncbi Insulin resistance and circadian rhythm of cardiac autonomic modulation
    Sol M Rodriguez-Colon
    Department of Public Health Sciences, Penn State University College of Medicine, 600 Centerview Dr, Suite 2200, A210, Hershey, PA, USA
    Cardiovasc Diabetol 9:85. 2010
    Insulin resistance (IR) has been associated with cardiovascular diseases (CVD). Heart rate variability (HRV), an index of cardiac autonomic modulation (CAM), is also associated with CVD mortality and CVD morbidity...
  83. ncbi Determination of exercise training heart rate in patients on beta-blockers after myocardial infarction
    Jean Yves Tabet
    Les Grands Prés, Villeneuve Saint Denis, France
    Eur J Cardiovasc Prev Rehabil 13:538-43. 2006
    In patients with coronary artery disease, the target intensity-level of exercise training is usually based on a training heart rate that aims to be close to the upper level of metabolic aerobic exercise.
  84. ncbi Reduced heart rate variability predicts poor sleep quality in a case-control study of chronic fatigue syndrome
    A R Burton
    School of Psychiatry, University of NSW, Sydney, Australia
    Exp Brain Res 204:71-8. 2010
    ..We examined whether nocturnal vagal modulation of heart rate is related to the poor sleep quality commonly reported in chronic fatigue syndrome (CFS)...
  85. ncbi The cardiomyocyte circadian clock: emerging roles in health and disease
    David J Durgan
    Division of Cardiovascular Diseases, Department of Medicine, University of Alabama at Birmingham, 703 19th Street S, Birmingham, AL 35294, USA
    Circ Res 106:647-58. 2010
    ..The purpose of this review is therefore to highlight recent advances regarding the roles of the cardiomyocyte circadian clock in both myocardial physiology and pathophysiology (ie, health and disease)...
  86. ncbi Executive and motivational control of performance task behavior, and autonomic heart-rate regulation in children: physiologic validation of two-factor solution inhibitory control
    E Mezzacappa
    Judge Baker Children s Center, Boston, MA 02115, USA
    J Child Psychol Psychiatry 39:525-31. 1998
    ..children underwent physiologic challenges of paced breathing and supine to standing postural change, while heart rate was continuously monitored...
  87. ncbi Blood pressure and heart rate effects following a single dose of bitter orange
    Linda T Bui
    School of Pharmacy, University of California, San Francisco, CA, USA
    Ann Pharmacother 40:53-7. 2006
    ..Due to the similarity in chemical structure to ephedrine and the potential sympathomimetic effects of synephrine, it is hypothesized that bitter orange may increase blood pressure (BP) and heart rate (HR).
  88. ncbi Cardiac autonomic functions are altered in patients with acute leukemia, assessed by heart rate variability
    Oral Nevruz
    Department of Hematology, Gulhane Military Medical School, Ankara, Turkey
    Tohoku J Exp Med 211:121-6. 2007
    ..designed to investigate the cardiac autonomic disturbances in acute leukemias by using time-domain indices of heart rate variability (HRV)...
  89. ncbi Inhibition of THC-induced effects on the central nervous system and heart rate by a novel CB1 receptor antagonist AVE1625
    L Zuurman
    Centre for Human Drug Research, Leiden, The Netherlands
    J Psychopharmacol 24:363-71. 2010
    ..was observed on Visual Analogue Scales 'alertness', 'feeling high', 'external perception', 'body sway' and 'heart rate'. Even the lowest dose of AVE1625 20 mg inhibited most of THC-induced effects...
  90. ncbi Diurnal fluctuations of heart rate, body temperature and locomotor activity in the house musk shrew (Suncus murinus)
    Keiji Ishii
    Department of Comparative Pathophysiology, Graduate School of Agricultural and Life Sciences, University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113-8657, Japan
    Exp Anim 51:57-62. 2002
    Diurnal fluctuations of heart rate (HR), body temperature (BT) and locomotor activity (LA) in the unanaesthetized and unrestrained house musk shrew (Suncus murinus) were studied using a telemetry system...
  91. ncbi Combining GPS with heart rate monitoring to measure physical activity in children: A feasibility study
    J Scott Duncan
    Centre for Physical Activity and Nutrition Research, Auckland University of Technology, New Zealand
    J Sci Med Sport 12:583-5. 2009
    The recent development of global positioning system (GPS) receivers with integrated heart rate (HR) monitoring has provided a new method for estimating the energy expenditure associated with children's movement...
  92. ncbi Cannabis coadministration potentiates the effects of "ecstasy" on heart rate and temperature in humans
    G J Dumont
    Department of Psychiatry, Donders Institute for Brain, Cognition, and Behavior, Radboud University Nijmegen Medical Centre, Nijmegen, The Netherlands
    Clin Pharmacol Ther 86:160-6. 2009
    ..Both single-drug conditions robustly increased heart rate, and coadministration showed additive effects...
  93. ncbi Maximal exercise oxygen pulse as a predictor of mortality among male veterans referred for exercise testing
    Ricardo B Oliveira
    Gama Filho University, Rio de Janeiro, Brazil
    Eur J Cardiovasc Prev Rehabil 16:358-64. 2009
    ..Maximal oxygen pulse (O(2) pulse) mirrors the stroke volume response to exercise, and should therefore be a strong predictor of mortality. Limited and conflicting data are, however, available on this issue...
  94. ncbi Accumulation of physical activity: blood pressure reduction between 10-min walking sessions
    S Park
    Division of Sports Science, Korea Institute of Sport Science, Seoul, Korea
    J Hum Hypertens 22:475-82. 2008
    ..7/82.5+/-6.4 mm Hg) participated in the study. BP using ambulatory monitoring and autonomic modulation through heart rate variability (HRV) using Holter monitoring were measured at baseline and during the rest periods following three ..
  95. ncbi Evaluation of baroreceptor reflex function in the chronic mild stress rodent model of depression
    Angela J Grippo
    Department of Psychology, University of Iowa, Iowa City, IA 52242 1407, USA
    Psychosom Med 70:435-43. 2008
    ..The purpose of the present study was to more fully characterize baroreceptor reflex function in rats with experimentally induced depression...
  96. ncbi Endurance training improves post-exercise cardiac autonomic modulation in obese women with and without type 2 diabetes
    Arturo Figueroa
    Department of Nutrition, Food and Exercise Sciences, Florida State University, Tallahassee, FL 32306, USA
    Eur J Appl Physiol 100:437-44. 2007
    ..b>Heart rate (HR) variability (HRV) and baroreflex sensitivity (BRS) were measured at rest and 20 min after a 20 min bout of ..
  97. ncbi Recovery pattern of baroreflex sensitivity after exercise
    Teemu H Niemelä
    Department of Exercise and Medical Physiology, Verve, Oulu, Finland
    Med Sci Sports Exerc 40:864-70. 2008
    ..To test the association between exercise mode and the recovery pattern of baroreflex sensitivity (BRS) after exercise...
  98. ncbi Oxyntomodulin increases intrinsic heart rate in mice independent of the glucagon-like peptide-1 receptor
    Gillian L Sowden
    Department of Biology, Williams College, Williamstown, MA 01267, USA
    Am J Physiol Regul Integr Comp Physiol 292:R962-70. 2007
    ..Using telemetry to measure heart rate (HR), body temperature (Tb), and activity in conscious and freely moving mice, we tested 1) whether OXM affects ..
  99. ncbi Autonomic compensation to simulated hemorrhage monitored with heart period variability
    William H Cooke
    Department of Health and Kinesiology, University of Texas at San Antonio, San Antonio, TX 78249, USA
    Crit Care Med 36:1892-9. 2008
    ..To test the hypothesis that components of heart period variability track autonomic function during simulated hemorrhage in humans...
  100. ncbi Autonomic nervous function at rest in aerobically trained and untrained older men
    S H Boutcher
    University of Exeter, Exeter, UK
    Clin Physiol 17:339-46. 1997
    ..aerobic training, vagal influence on the heart and ageing was examined by assessing aerobic fitness and resting heart rate variability in trained and untrained older men...
  101. ncbi Variability of ventricular excitation interval does not reflect fluctuation in atrial excitation interval during exercise in humans: AV nodal function as stabilizer
    Tomoko Nakamoto
    Department of Physiology, Graduate School of Health Sciences, Hiroshima University, Kasumi 1-2-3, Minami-ku, Hiroshima, 734-8551 Japan
    J Physiol Sci 56:67-77. 2006
    ..However, it remained unknown at which level of heart rate (HR) this mechanism started to operate and whether fluctuation in the interval might influence AV conduction ..

Research Grants80

  1. FETAL REFLEX RESPONSES TO CEREBRAL HYPOPERFUSION
    Charles Wood; Fiscal Year: 1999
    ..We have demonstrated that the reflex vasomotor and heart rate responses and the reflex hormonal responses are mediated by both baroreceptor- and chemoreceptor- reflexes...
  2. The baroreflex in pregnancy: effects of adrenal and placental steroids
    Maureen Keller Wood; Fiscal Year: 2010
    ..In nonpregnant ewes cortisol increases blood pressure and heart rate, and decreases baroreflex sensitvity;adrenalectomy and total withdrawal from adrenal steroids causes decreased ..
  3. Red Blood Cell Fatty Acid Biomarkers and Cardiovascular Disease Risk
    William S Harris; Fiscal Year: 2010
    ..A decrease in heart rate, an increase in heart rate variability, and improved endothelial function have all been associated with higher ..
  4. Sleep and Brain Structure in Heart Failure
    MARY ANN WOO; Fiscal Year: 2010
    ..and changes in tissue properties and function, occurs in areas which regulate mood, memory, blood pressure, heart rate, and breathing. All of these symptoms have been linked to increased morbidity and mortality in HF...
  5. EMA Assessment of Biobehavioral Processes in Human Pregnancy
    Pathik D Wadhwa; Fiscal Year: 2010
    ..Continuous ambulatory measures of maternal heart rate, respiration and physical activity, as well as seven saliva samples over the course of each day, will be ..
  6. Factors that Initiate Arrhythamias in Long QT Syndrome
    Guy Salama; Fiscal Year: 2006
    ..Sympathetic and parasympathetic modulation of heart rate, conduction of the specialized conduction system and ventricular myocardium, AP upstroke velocity, APDs, DOR, ..
  7. The baroreflex in pregnancy: effects of adrenal and placental steroids
    Maureen Keller Wood; Fiscal Year: 2009
    ..In nonpregnant ewes cortisol increases blood pressure and heart rate, and decreases baroreflex sensitvity; adrenalectomy and total withdrawal from adrenal steroids causes decreased ..
  8. Autonomic consequences of brief seizures
    Mark Stewart; Fiscal Year: 2004
    ..A broader spectrum of autonomic signs, including changes in heart rate and rhythm (most often bradycardia), blood pressure (most often pressure increases), pupillary size, vasomotor ..
  9. Factors that Initiate Arrhythmias in lung QT Syndrome
    Guy Salama; Fiscal Year: 2004
    ..Sympathetic and parasympathetic modulation of heart rate, conduction of the specialized conduction system and ventricular myocardium, AP upstroke velocity, APDs, DOR, ..
  10. Lead, Cadmium,Arsenic, and cardiovascular risk in children
    Eliseo Guallar; Fiscal Year: 2009
    ..factor alpha [TNF-alpha]) in children; and 3) Exposures, cadmium, or arsenic are inversely associated with heart rate variability in children...
  11. Lead, Cadmium,Arsenic, and cardiovascular risk in children
    Eliseo Guallar; Fiscal Year: 2011
    ..factor alpha [TNF-alpha]) in children;and 3) Exposures, cadmium, or arsenic are inversely associated with heart rate variability in children...
  12. Lead, Cadmium,Arsenic, and cardiovascular risk in children
    Eliseo Guallar; Fiscal Year: 2010
    ..factor alpha [TNF-alpha]) in children;and 3) Exposures, cadmium, or arsenic are inversely associated with heart rate variability in children...
  13. CENTRAL BAROREFLEX MECHANISMS OF ANESTHETIC ACTION
    MICHAEL ANDRESEN; Fiscal Year: 2000
    ..general anesthetics cause cardiovascular dysfunction in part by compromising brainstem baroreflex control of heart rate via actions in the nucleus tractus solitarius (NTS) and nucleus ambiguus (NA)...
  14. Integrative Cardiovascular Control During Exercise in Hypertension
    DONAL S O apos LEARY; Fiscal Year: 2010
    ..with established hypertension abnormally large increases in sympathetic nerve activity, arterial pressure and heart rate often occur in response to exercise which precludes advisement of any strenuous physical activity due to the ..
  15. Sleep and Brain Structure in Heart Failure
    Mary Woo; Fiscal Year: 2009
    ..and changes in tissue properties and function, occurs in areas which regulate mood, memory, blood pressure, heart rate, and breathing. All of these symptoms have been linked to increased morbidity and mortality in HF...
  16. The role of dynamic changes in repolarization and calcium transients in Long QT r
    Bum Rak Choi; Fiscal Year: 2009
    ..In addition, heart rate variation such as short-long-short cycle length (pause-dependent mode) or acceleration of heart rates often ..
  17. The role of dynamic changes in repolarization and calcium transients in Long QT r
    Bum Rak Choi; Fiscal Year: 2010
    ..In addition, heart rate variation such as short-long-short cycle length (pause-dependent mode) or acceleration of heart rates often ..
  18. Epigenetic Effects of Particles and Metals on Cardiac Health of an Aging Cohort
    Joel Schwartz; Fiscal Year: 2009
    ..particulate air pollution exposures are associated with specific cardiovascular outcomes, such as decreased heart rate variability, arterial stiffness, and ST-segment depression, resulting in increased death rates for CVD...
  19. Epigenetic Effects of Particles and Metals on Cardiac Health of an Aging Cohort
    Joel Schwartz; Fiscal Year: 2007
    ..particulate air pollution exposures are associated with specific cardiovascular outcomes, such as decreased heart rate variability, arterial stiffness, and ST-segment depression, resulting in increased death rates for CVD...
  20. Red Blood Cell Fatty Acid Biomarkers and Cardiovascular Disease Risk
    William Harris; Fiscal Year: 2009
    ..A decrease in heart rate, an increase in heart rate variability, and improved endothelial function have all been associated with higher ..
  21. Nicotine Modulation of Parasympathetic Cardiac Neurons
    David Mendelowitz; Fiscal Year: 2009
    ..Electrical or mechanical stimulation of the trigeminal nerve evokes a dramatic decrease in heart rate in animals including man, and has often been termed the `trigeminocardiac reflex' in the clinical ..
  22. Nicotine Modulation of Parasympathetic Cardiac Neurons
    David Mendelowitz; Fiscal Year: 2010
    ..Electrical or mechanical stimulation of the trigeminal nerve evokes a dramatic decrease in heart rate in animals including man, and has often been termed the `trigeminocardiac reflex'in the clinical literature,..
  23. PREDICTING FETAL ACIDEMIA WITH INTRAPARTUM ELECTRONIC FETAL HEART RATE MONITORING
    George A Macones; Fiscal Year: 2010
    DESCRIPTION (provided by investigator): Intrapartum electronic fetal heart rate monitoring (EFM) has become the most frequently used instrument in obstetrics in the United States, despite its classification as a "D" by the U.S...
  24. HEART RATE RECOVERY AND MORTALITY
    Michael Lauer; Fiscal Year: 2002
    Although there has been considerable attention paid to the prognostic significance of the heart rate rise during exercise, only recently has it been noted that the heart rate fall after exercise, or "heart-rate recovery," may be an even ..
  25. Spontaneous Arousals in "CHIME" Infants at Risk for SIDS
    ROBERT DARNALL; Fiscal Year: 2006
    ..Subcortical arousals associated with changes in breathing, blood pressure, heart rate, and heart rate variability, may be particularly important in infants...
  26. Y Receptor In and Cardiovascular Function From the PHN
    John Martin; Fiscal Year: 2004
    ..by the pancreatic polypeptide neuropeptide Y (NPY) that mediates increases in mean arterial pressure (MAP) and heart rate (HR), and to explore the mechanism by which the related pancreatic polypeptide PYY, which appears to stimulate a ..
  27. IN VITRO MODEL OF PRECONDITIONING WITH ISOLATED MYOCYTES
    CHARLES GANOTE; Fiscal Year: 2001
    ..of ischemic preconditioning using isolated cardiac myocytes from rabbits, as an example of an animal with a fast heart rate, and from pigs, as an example of an animal with a slow heart rate...
  28. Role of Sterols and Insulin in Cardiac Autonomic Response
    JONAS BERNARD GALPER; Fiscal Year: 2010
    ..IKACh, the hyperpolarizing K+ current that causes a hyperpolarization of the cardiac membrane and a decrease in heart rate. Sterol regulatory element binding proteins (SREBPs) are the transcription factors that regulate genes involved ..
  29. Biobehavioral Cardiovascular Health Promotion Intervention in a State Prison Syst
    Debra Moser; Fiscal Year: 2009
    ..e., Cooper Clinic Mortality Risk Index [a composite index that includes heart rate, blood pressure, diabetes, smoking status, body mass index, age, and cardio-respiratory fitness], lipid profile, ..
  30. Spiral Electrode Sensor for Intrapartum Fetal Oximetry
    JONAS POLOGE; Fiscal Year: 2003
    Fetal heart rate monitoring is intended to detect signs of fetal distress due to oxygen starvation of the fetus...
  31. Physiologic Responses to Simulated Care Activities in Older Surgical Patients
    Colleen Casey; Fiscal Year: 2007
    ..This study aims to evaluate the utility of using the ActiHeart(tm), a type of actigraph that measures motion and heart rate simultaneously, to measure simulated clinical care activities with older adults prior to their hospitalization ..