Josef Halamek

Summary

Affiliation: Institute of Scientific Instruments
Country: Czech Republic

Publications

  1. pmc Measure of the QT-RR dynamic coupling in patients with the long QT syndrome
    Josef Halamek
    Institute of Scientific Instruments, AS CR, Brno, Czech Republic
    Ann Noninvasive Electrocardiol 17:323-30. 2012
  2. doi Excitation specificity of repolarization parameters
    J Halamek
    Institute of Scientific Instruments, Academy of Sciences, Czech Republic, Kralovopolska 147, 612 64 Brno, Czech Republic
    Conf Proc IEEE Eng Med Biol Soc 2011:961-4. 2011
  3. ncbi Dynamic coupling between heart rate and ventricular repolarisation
    Josef Halamek
    Institute of Scientific Instruments, Academy of Sciences of the Czech Republic, Brno 612 64, Czech Republic
    Biomed Tech (Berl) 52:255-63. 2007
  4. ncbi Dynamic QT/RR coupling in patients with pacemakers
    J Halamek
    Institute of Scientific Instruments, AS CR, Brno, 612 64 CZ
    Conf Proc IEEE Eng Med Biol Soc 2007:919-22. 2007
  5. ncbi Variability of phase shift between blood pressure and heart rate fluctuations: a marker of short-term circulation control
    Josef Halamek
    Institute of Scientific Instruments, Academy of Sciences, Kralovopolska 147, 612 64 Brno, Czech Republic
    Circulation 108:292-7. 2003
  6. doi Use of a novel transfer function to reduce repolarization interval hysteresis
    Josef Halamek
    Institute of Scientific Instruments, Brno, Czech
    J Interv Card Electrophysiol 29:23-32. 2010
  7. doi Intracerebrally recorded high frequency oscillations: simple visual assessment versus automated detection
    Martin Pail
    Brno Epilepsy Center, Department of Neurology, St Anne s University Hospital and Faculty of Medicine, Masaryk University, Brno, Czech Republic
    Clin Neurophysiol 124:1935-42. 2013
  8. pmc On the time course of synchronization patterns of neuronal discharges in the human brain during cognitive tasks
    Milan Brazdil
    Behavioural and Social Neuroscience Research Group, CEITEC Central European Institute of Technology, Masaryk University, Brno, Czech Republic
    PLoS ONE 8:e63293. 2013
  9. doi The effect of short-term isometric muscle contraction and the Valsalva maneuver on systemic and pulmonary hemodynamics in patients with severe heart failure
    Miroslav Soucek
    Second Department of Internal Medicine, St Anne s University Hospital, Brno, Czech Republic
    Clin Cardiol 32:E32-9. 2009
  10. doi Interictal high-frequency oscillations indicate seizure onset zone in patients with focal cortical dysplasia
    Milan Brazdil
    Brno Epilepsy Center, Departments of Neurology and Neurosurgery, St Anne s University Hospital and Medical Faculty of Masaryk University, Brno, Czech Republic
    Epilepsy Res 90:28-32. 2010

Collaborators

Detail Information

Publications20

  1. pmc Measure of the QT-RR dynamic coupling in patients with the long QT syndrome
    Josef Halamek
    Institute of Scientific Instruments, AS CR, Brno, Czech Republic
    Ann Noninvasive Electrocardiol 17:323-30. 2012
    ..The patients with the long QT syndrome type-1 (LQT-1) have an impaired adaptation of the QT interval to heart rate changes. Yet, the description of the dynamic QT-RR coupling in genotyped LQT-1 has never been thoroughly investigated...
  2. doi Excitation specificity of repolarization parameters
    J Halamek
    Institute of Scientific Instruments, Academy of Sciences, Czech Republic, Kralovopolska 147, 612 64 Brno, Czech Republic
    Conf Proc IEEE Eng Med Biol Soc 2011:961-4. 2011
    ....
  3. ncbi Dynamic coupling between heart rate and ventricular repolarisation
    Josef Halamek
    Institute of Scientific Instruments, Academy of Sciences of the Czech Republic, Brno 612 64, Czech Republic
    Biomed Tech (Berl) 52:255-63. 2007
    ....
  4. ncbi Dynamic QT/RR coupling in patients with pacemakers
    J Halamek
    Institute of Scientific Instruments, AS CR, Brno, 612 64 CZ
    Conf Proc IEEE Eng Med Biol Soc 2007:919-22. 2007
    ..Within the patient set, we found interesting differences concerning dynamic non-linearity (response times longer with decreasing RR intervals than with increasing RR)...
  5. ncbi Variability of phase shift between blood pressure and heart rate fluctuations: a marker of short-term circulation control
    Josef Halamek
    Institute of Scientific Instruments, Academy of Sciences, Kralovopolska 147, 612 64 Brno, Czech Republic
    Circulation 108:292-7. 2003
    ..We postulated that the variability of the phase shift between blood pressure and heart rate fluctuation near the frequency of 0.10 Hz might be useful in assessing autonomic circulatory control...
  6. doi Use of a novel transfer function to reduce repolarization interval hysteresis
    Josef Halamek
    Institute of Scientific Instruments, Brno, Czech
    J Interv Card Electrophysiol 29:23-32. 2010
    ..Our group has developed and tested a transfer function (TRF) model to assess the effectiveness of a dynamic model of QT/RR coupling in eliminating hysteresis...
  7. doi Intracerebrally recorded high frequency oscillations: simple visual assessment versus automated detection
    Martin Pail
    Brno Epilepsy Center, Department of Neurology, St Anne s University Hospital and Faculty of Medicine, Masaryk University, Brno, Czech Republic
    Clin Neurophysiol 124:1935-42. 2013
    ..We compared the possible contribution (in the detection of seizure onset zone - SOZ) of simple visual assessment of intracerebrally recorded high-frequency oscillations (HFO) with standard automated detection...
  8. pmc On the time course of synchronization patterns of neuronal discharges in the human brain during cognitive tasks
    Milan Brazdil
    Behavioural and Social Neuroscience Research Group, CEITEC Central European Institute of Technology, Masaryk University, Brno, Czech Republic
    PLoS ONE 8:e63293. 2013
    ..In particular, an initial global reorganization in the delta and theta bands (2-8 Hz) is followed by gamma (20-95 Hz) and then beta band (12-20 Hz) synchrony...
  9. doi The effect of short-term isometric muscle contraction and the Valsalva maneuver on systemic and pulmonary hemodynamics in patients with severe heart failure
    Miroslav Soucek
    Second Department of Internal Medicine, St Anne s University Hospital, Brno, Czech Republic
    Clin Cardiol 32:E32-9. 2009
    ..Patients with severe heart failure are often in very poor physical condition, they are unable to take part in the usual exercise programs, and therefore need an individual approach...
  10. doi Interictal high-frequency oscillations indicate seizure onset zone in patients with focal cortical dysplasia
    Milan Brazdil
    Brno Epilepsy Center, Departments of Neurology and Neurosurgery, St Anne s University Hospital and Medical Faculty of Masaryk University, Brno, Czech Republic
    Epilepsy Res 90:28-32. 2010
    ..Our study demonstrates a capacity of interictal HFO to detect the SOZ in focal cortical dysplasias...
  11. ncbi Cardiac output measurement in patients with an implanted pacemaker
    Vlastimil Vondra
    Institute of Scientific Instruments, Academy of Sciences of the Czech Republic, Kralovopolska 147, 612 64 Brno, Czech Republic
    Conf Proc IEEE Eng Med Biol Soc 2007:916-8. 2007
    ..We have scored the maximum relative cardiac output for each patient. For the measurement we have used a home made digital bioimpedance monitor for impedance cardiography. The result of 26 patients is presented in this study...
  12. pmc The Role of Anterior Nuclei of the Thalamus: A Subcortical Gate in Memory Processing: An Intracerebral Recording Study
    Klára Stillová
    Central European Institute of Technology CEITEC, Brain and Mind Research Program, Brno, Czech Republic Department of Neurology, St Anne s Teaching Hospital, Medical School of Masaryk University, Brno, Czech Republic
    PLoS ONE 10:e0140778. 2015
    ..To study the involvement of the anterior nuclei of the thalamus (ANT) as compared to the involvement of the hippocampus in the processes of encoding and recognition during visual and verbal memory tasks...
  13. doi Complex motor-cognitive factors processed in the anterior nucleus of the thalamus: an intracerebral recording study
    Martina Bocková
    First Department of Neurology, Masaryk University, St Anne s University Hospital, Pekarska 53, 656 91, Brno, Czech Republic
    Brain Topogr 28:269-78. 2015
    ..The AN participates in cognitive networks processing complex motor-cognitive tasks. Attention should be paid to executive functions in subjects undergoing AN-DBS. ..
  14. pmc Impact of cognitive stimulation on ripples within human epileptic and non-epileptic hippocampus
    Milan Brazdil
    Behavioural and Social Neuroscience Research Group, CEITEC Central European Institute of Technology, Masaryk University, Brno, Czech Republic
    BMC Neurosci 16:47. 2015
    ..In the present study we addressed this by investigating the effect of cognitive stimulation on interictal high frequency oscillations in the ripple range (80-250 Hz) within epileptic (EH) and non-epileptic hippocampus (NH)...
  15. doi Subthalamic nucleus involvement in executive functions with increased cognitive load: a subthalamic nucleus and anterior cingulate cortex depth recording study
    Stefania Rusnáková Aulická
    Department of Child Neurology, University Hospital, Medical School of Masaryk University, Brno, Czech Republic
    J Neural Transm (Vienna) 121:1287-96. 2014
    ..The specificity and complexity of task-related activation of the STN might indicate the involvement of the STN in processes controlling human behaviour, e.g. in the selection and inhibition of competing alternatives...
  16. ncbi Two-channel bioimpedance monitor for impedance cardiography
    Vlastimil Vondra
    Inst of Sci Instrum, Acad of Sci, of the Czech Rep, Brno, Czech Republic
    Conf Proc IEEE Eng Med Biol Soc 1:6061-3. 2006
    ..The setting of the main parameters of the measurement like the amplitude and the frequency of the measurement current depends on the user...
  17. doi The impact of sedation on pulse pressure variation
    Vaclav Zvonícek
    Department of Anaesthesiology and Intensive Care, St Anne s University Hospital and Masaryk University, Brno, Czech Republic
    Aust Crit Care 28:203-7. 2015
    ..Beside the absolute value of PPV, the adjusted values of pulse pressure were used to eliminate influence of ventilation...
  18. doi Mismatch negativity-like potential (MMN-like) in the subthalamic nuclei in Parkinson's disease patients
    Eduard Minks
    First Department of Neurology, Faculty of Medicine, Masaryk University and St Anne s Hospital, Brno, Czech Republic
    J Neural Transm (Vienna) 121:1507-22. 2014
    ....
  19. pmc The functional organization of human epileptic hippocampus
    Petr Klimes
    Mayo Systems Electrophysiology Laboratory, Department of Neurology, Mayo Clinic, Rochester, Minnesota Institute of Scientific Instruments of the CAS, Brno, Czech Republic International Clinical Research Center, St Anne s University Hospital, Brno, Czech Republic
    J Neurophysiol 115:3140-5. 2016
    ..Further study of these phenomena may prove useful for SOZ localization and help understand seizure generation, and the functional deficits seen in epileptic eloquent cortex. ..
  20. doi Neural correlates of affective picture processing--a depth ERP study
    Milan Brazdil
    Department of Neurology, St Anne s University Hospital, and Faculty of Medicine, Masaryk University, Brno, Czech Republic
    Neuroimage 47:376-83. 2009
    ..These results are in agreement with a multisystem model of human emotion, distributed far beyond the typical limbic system and substantially comprising lateral aspects of both frontal lobes as well...