Geoffrey K Isbister

Summary

Affiliation: University of Newcastle
Country: Australia

Publications

  1. ncbi request reprint Tiger snake (Notechis spp) envenoming: Australian Snakebite Project (ASP-13)
    Geoffrey K Isbister
    Discipline of Clinical Pharmacology, University of Newcastle, Newcastle, NSW
    Med J Aust 197:173-7. 2012
  2. doi request reprint Snakebite doesn't cause disseminated intravascular coagulation: coagulopathy and thrombotic microangiopathy in snake envenoming
    Geoffrey K Isbister
    Discipline of Clinical Pharmacology, University of Newcastle, and Department of Clinical Toxicology and Pharmacology, Calvary Mater Newcastle, Waratah NSW, Australia
    Semin Thromb Hemost 36:444-51. 2010
  3. doi request reprint Amisulpride overdose is frequently associated with QT prolongation and torsades de pointes
    Geoffrey K Isbister
    Department of Clinical Toxicology and Pharmacology, Calvary Mater Newcastle Hospital, University of Newcastle, Newcastle, Australia
    J Clin Psychopharmacol 30:391-5. 2010
  4. ncbi request reprint Aspiration pneumonitis in an overdose population: frequency, predictors, and outcomes
    Geoffrey K Isbister
    Discipline of Clinical Pharmacology, University of Newcastle, Australia
    Crit Care Med 32:88-93. 2004
  5. ncbi request reprint Relative toxicity of selective serotonin reuptake inhibitors (SSRIs) in overdose
    Geoffrey K Isbister
    Discipline of Clinical Pharmacology, University of Newcastle, Newcastle Mater Misericordiae Hospital, Waratah, New South Wales, Australia
    J Toxicol Clin Toxicol 42:277-85. 2004
  6. ncbi request reprint Efficacy of antivenom against the procoagulant effect of Australian brown snake (Pseudonaja sp.) venom: in vivo and in vitro studies
    Geoffrey K Isbister
    Tropical Toxinology Unit, Menzies School of Health Research, Charles Darwin University, Darwin, NSW, Australia
    Toxicon 49:57-67. 2007
  7. doi request reprint Endogenous thrombin potential as a novel method for the characterization of procoagulant snake venoms and the efficacy of antivenom
    Geoffrey K Isbister
    Faculty of Health, University of Newcastle, Newcastle, New South Wales, Australia
    Toxicon 56:75-85. 2010
  8. doi request reprint Antivenom efficacy or effectiveness: the Australian experience
    Geoffrey K Isbister
    Department of Clinical Toxicology and Pharmacology, Calvary Mater Newcastle, Newcastle, New South Wales, Australia
    Toxicology 268:148-54. 2010
  9. pmc The impact of a standardised intramuscular sedation protocol for acute behavioural disturbance in the emergency department
    Leonie A Calver
    Discipline of Clinical Pharmacology, University of Newcastle, New South Wales, Australia
    BMC Emerg Med 10:14. 2010
  10. doi request reprint Randomized controlled trial of intramuscular droperidol versus midazolam for violence and acute behavioral disturbance: the DORM study
    Geoffrey K Isbister
    Department of Clinical Toxicology and Pharmacology, Calvary Mater Newcastle, Newcastle, New South Wales, Australia
    Ann Emerg Med 56:392-401.e1. 2010

Collaborators

Detail Information

Publications61

  1. ncbi request reprint Tiger snake (Notechis spp) envenoming: Australian Snakebite Project (ASP-13)
    Geoffrey K Isbister
    Discipline of Clinical Pharmacology, University of Newcastle, Newcastle, NSW
    Med J Aust 197:173-7. 2012
    ..To describe the clinical syndrome associated with definite tiger snake (Notechis spp) envenoming and to examine the ability of tiger snake antivenom (TSAV) to bind free venom in vivo...
  2. doi request reprint Snakebite doesn't cause disseminated intravascular coagulation: coagulopathy and thrombotic microangiopathy in snake envenoming
    Geoffrey K Isbister
    Discipline of Clinical Pharmacology, University of Newcastle, and Department of Clinical Toxicology and Pharmacology, Calvary Mater Newcastle, Waratah NSW, Australia
    Semin Thromb Hemost 36:444-51. 2010
    ..The existence of the overlapping clinical syndromes of VICC and thrombotic microangiopathy in snake envenoming is the likely reason for the mistaken idea that snakebite causes DIC...
  3. doi request reprint Amisulpride overdose is frequently associated with QT prolongation and torsades de pointes
    Geoffrey K Isbister
    Department of Clinical Toxicology and Pharmacology, Calvary Mater Newcastle Hospital, University of Newcastle, Newcastle, Australia
    J Clin Psychopharmacol 30:391-5. 2010
    ..Amisulpride overdose commonly causes QT prolongation, bradycardia, and hypotension. Torsades de pointes occurred commonly enough to suggest that amisulpride is highly cardiotoxic in overdose...
  4. ncbi request reprint Aspiration pneumonitis in an overdose population: frequency, predictors, and outcomes
    Geoffrey K Isbister
    Discipline of Clinical Pharmacology, University of Newcastle, Australia
    Crit Care Med 32:88-93. 2004
    ....
  5. ncbi request reprint Relative toxicity of selective serotonin reuptake inhibitors (SSRIs) in overdose
    Geoffrey K Isbister
    Discipline of Clinical Pharmacology, University of Newcastle, Newcastle Mater Misericordiae Hospital, Waratah, New South Wales, Australia
    J Toxicol Clin Toxicol 42:277-85. 2004
    ..Objective: To determine the effect of SSRIs in overdose, as a group, and the relative toxicity of five different SSRIs...
  6. ncbi request reprint Efficacy of antivenom against the procoagulant effect of Australian brown snake (Pseudonaja sp.) venom: in vivo and in vitro studies
    Geoffrey K Isbister
    Tropical Toxinology Unit, Menzies School of Health Research, Charles Darwin University, Darwin, NSW, Australia
    Toxicon 49:57-67. 2007
    ..One vial of antivenom appears to be sufficient to bind and neutralise all venom in patients with severe brown snake envenoming...
  7. doi request reprint Endogenous thrombin potential as a novel method for the characterization of procoagulant snake venoms and the efficacy of antivenom
    Geoffrey K Isbister
    Faculty of Health, University of Newcastle, Newcastle, New South Wales, Australia
    Toxicon 56:75-85. 2010
    ..ETP is a useful assay to investigate mechanisms of other procoagulant venoms and is a robust method of assessing antivenom efficacy...
  8. doi request reprint Antivenom efficacy or effectiveness: the Australian experience
    Geoffrey K Isbister
    Department of Clinical Toxicology and Pharmacology, Calvary Mater Newcastle, Newcastle, New South Wales, Australia
    Toxicology 268:148-54. 2010
    ....
  9. pmc The impact of a standardised intramuscular sedation protocol for acute behavioural disturbance in the emergency department
    Leonie A Calver
    Discipline of Clinical Pharmacology, University of Newcastle, New South Wales, Australia
    BMC Emerg Med 10:14. 2010
    ..Acute behavioural disturbance (ABD) is an increasing problem in emergency departments. This study aimed to determine the impact of a structured intramuscular (IM) sedation protocol on the duration of ABD in the emergency department...
  10. doi request reprint Randomized controlled trial of intramuscular droperidol versus midazolam for violence and acute behavioral disturbance: the DORM study
    Geoffrey K Isbister
    Department of Clinical Toxicology and Pharmacology, Calvary Mater Newcastle, Newcastle, New South Wales, Australia
    Ann Emerg Med 56:392-401.e1. 2010
    ..We determine whether droperidol, midazolam, or the combination is more effective for intramuscular sedation in violent and acute behavioral disturbance in the emergency department (ED)...
  11. doi request reprint Spider bite
    Geoffrey K Isbister
    Discipline of Clinical Pharmacology, University of Newcastle, Newcastle, NSW, Australia
    Lancet 378:2039-47. 2011
    ..Antivenoms are an important treatment for spider envenomation but have been less successful than have those for snake envenomation, with concerns about their effectiveness for both latrodectism and loxoscelism...
  12. ncbi request reprint Latrodectism: a prospective cohort study of bites by formally identified redback spiders
    Geoffrey K Isbister
    Discipline of Clinical Pharmacology, University of Newcastle, Level 5, Clinical Sciences Building, Newcastle Mater Misericordiae Hospital, Waratah, NSW 2298
    Med J Aust 179:88-91. 2003
    ..To determine the spectrum of severity and early diagnostic predictors of redback spider bites (Latrodectus hasselti), and to examine the effect of intramuscular redback antivenom...
  13. doi request reprint An examination of the activity of expired and mistreated commercial Australian antivenoms
    Margaret A O'Leary
    Department of Clinical Toxicology and Pharmacology, Calvary Mater Newcastle Hospital, Newcastle, New South Wales, Australia
    Trans R Soc Trop Med Hyg 103:937-42. 2009
    ..CSL antivenoms are more robust than indicated on their label and maintain useful activity long past their nominated expiry dates...
  14. ncbi request reprint Cross-neutralisation of Australian brown and tiger snake venoms with commercial antivenoms: Cross-reactivity or antivenom mixtures?
    Margaret A O'Leary
    Department of Clinical Toxicology and Pharmacology, Newcastle Mater Hospital, Newcastle, NSW, Australia
    Toxicon 50:206-13. 2007
    ..Single-polyvalent antivenom for brown snake and tiger snake may be feasible in the future...
  15. doi request reprint Sedation assessment tool to score acute behavioural disturbance in the emergency department
    Leonie A Calver
    Discipline of Clinical Pharmacology, Faculty of Health, University of Newcastle, Newcastle, New South Wales, Australia
    Emerg Med Australas 23:732-40. 2011
    ..The objective of the study was to evaluate the effectiveness of the sedation assessment tool (SAT) in assessing patient response to treatment for acute behavioural disturbance (ABD)...
  16. ncbi request reprint Effects of envenoming by comb-footed spiders of the genera Steatoda and Achaearanea (family Theridiidae: Araneae) in Australia
    Geoffrey K Isbister
    University of Newcastle, Newcastle, Australia
    J Toxicol Clin Toxicol 41:809-19. 2003
    ..The family Theridiidae (comb-footed spiders) contains the well-known and medically important widow spider group (Latrodectus spp.). Little is known about the effects of envenoming by other common members of this family...
  17. doi request reprint Cross-neutralisation of Australian brown snake, taipan and death adder venoms by monovalent antibodies
    Geoffrey K Isbister
    Department of Clinical Toxicology and Pharmacology, Calvary Mater Newcastle Hospital, Newcastle, New South Wales, Australia
    Vaccine 28:798-802. 2010
    ..However, they did cross-neutralise the procoagulant effects of both procoagulant venoms. This supports the idea of developing antivenoms against groups of snake toxins rather than individual snake venoms...
  18. ncbi request reprint Clinical consequences of spider bites: recent advances in our understanding
    Geoffrey K Isbister
    Emergency Department, Newcastle Mater Misericordiae Hospital and the University of Newcastle, Newcastle, NSW 2298, Australia
    Toxicon 43:477-92. 2004
    ..Most spiders only cause minor effects, including a large number of groups that have been implicated in necrotic arachnidism...
  19. pmc Moclobemide poisoning: toxicokinetics and occurrence of serotonin toxicity
    Geoffrey K Isbister
    Discipline of Clinical Pharmacology, University of Newcastle, Newcastle, Australia
    Br J Clin Pharmacol 56:441-50. 2003
    ..To investigate the spectrum of toxicity of moclobemide overdose, the occurrence of serotonin toxicity, and to estimate toxicokinetic parameters...
  20. ncbi request reprint A prospective study of definite bites by spiders of the family Sparassidae (huntsmen spiders) with identification to species level
    Geoffrey K Isbister
    Discipline of Clinical Pharmacology, University of Newcastle, Clinical Toxicologist and Emergency Physician, Newcastle Mater Misericordiae Hospital, Level 5, Clinical Sciences Building Edith St, Waratah, NSW 2298, Australia
    Toxicon 42:163-71. 2003
    ..The mechanism of effects appeared to be trauma rather than envenoming. There were no major differences between genera, and Neosparassus spp. did not cause major effects...
  21. ncbi request reprint Bupropion overdose: QTc prolongation and its clinical significance
    Geoffrey K Isbister
    University of Newcastle, Waratah, Australia
    Ann Pharmacother 37:999-1002. 2003
    ..To investigate the cardiotoxicity of bupropion hydrochloride in deliberate self-poisoning...
  22. ncbi request reprint Arsenic trioxide poisoning: a description of two acute overdoses
    Geoffrey K Isbister
    Discipline of Clinical Pharmacology, University of Newcastle, Newcastle, NSW, Australia
    Hum Exp Toxicol 23:359-64. 2004
    ..Arsenic quantification in blood, urine and faeces suggested that enhanced gastrointestinal decontamination was minimally effective for decontamination and that DMSA for at least two weeks was required...
  23. doi request reprint Risperidone overdose causes extrapyramidal effects but not cardiac toxicity
    Colin B Page
    Department of Clinical Toxicology and Pharmacology, Calvary Mater Newcastle Hospital, Newcastle, New South Wales, Australia
    J Clin Psychopharmacol 30:387-90. 2010
    ..The aim of this study was to describe the clinical and electrocardiographic features of risperidone overdose, including the frequency of dystonic reactions...
  24. doi request reprint Digital Holter measurement of QT prolongation in ziprasidone overdose
    Ingrid Berling
    Department of Clinical Toxicology and Pharmacology, Calvary Mater Newcastle, Newcastle, Australia
    Clin Toxicol (Phila) 49:694-6. 2011
    ..We report a case of ziprasidone overdose with QT prolongation, demonstrating different methods of measuring the QT interval...
  25. ncbi request reprint Enzyme immunoassays in brown snake (Pseudonaja spp.) envenoming: detecting venom, antivenom and venom-antivenom complexes
    Margaret A O'Leary
    Discipline of Clinical Pharmacology, University of Newcastle, Newcastle, Waratah NSW, Australia
    Toxicon 48:4-11. 2006
    ..Quantification of venom and antivenom will help to determine the dose of antivenom required to bind venom and to establish appropriate end points for antivenom treatment...
  26. doi request reprint Parenteral sedation of elderly patients with acute behavioral disturbance in the ED
    Leonie Calver
    Department of Clinical Toxicology and Pharmacology, Discipline of Clinical Pharmacology, University of Newcastle, Calvary Mater Newcastle, New South Wales, Australia
    Am J Emerg Med 31:970-3. 2013
    ..This study aimed to investigate sedation of elderly patients with acute behavioral disturbance (ABD) in the emergency department (ED), specifically the safety and effectiveness of droperidol...
  27. ncbi request reprint White-tail spider bite: a prospective study of 130 definite bites by Lampona species
    Geoffrey K Isbister
    Discipline of Clinical Pharmacology, University of Newcastle, Level 5, Clinical Sciences Building, Newcastle Mater Misericordiae Hospital, Waratah, NSW 2298, Australia
    Med J Aust 179:199-202. 2003
    ..To investigate the circumstances and clinical effects of bites by white-tail spiders, including the two species Lampona cylindrata and L. murina commonly encountered by humans, and the incidence of necrotic lesions...
  28. pmc Alprazolam is relatively more toxic than other benzodiazepines in overdose
    Geoffrey K Isbister
    Discipline of Clinical Pharmacology, University of Newcastle, Newcastle, Australia
    Br J Clin Pharmacol 58:88-95. 2004
    ..To describe alprazolam poisoning and the relative toxicity of alprazolam compared with other benzodiazepines...
  29. doi request reprint Indications for single-dose activated charcoal administration in acute overdose
    Geoffrey K Isbister
    Department of Clinical Toxicology and Pharmacology, Calvary Mater Newcastle and Discipline of Clinical Pharmacology, University of Newcastle, New South Wales, Australia
    Curr Opin Crit Care 17:351-7. 2011
    ..There has been a significant decrease in the use of single-dose activated charcoal (SDAC) in recent years based on little new evidence and possibly because the overall mortality in overdose patients is low...
  30. doi request reprint A turbidimetric assay for the measurement of clotting times of procoagulant venoms in plasma
    Margaret A O'Leary
    Department of Clinical Toxicology and Pharmacology, Calvary Mater Newcastle Hospital, Newcastle, New South Wales, Australia
    J Pharmacol Toxicol Methods 61:27-31. 2010
    ..Assessment of the procoagulant effect of snake venoms is important for understanding their effects. The aim of this study was to develop a simple automated method to measure clotting times to assess procoagulant venoms...
  31. doi request reprint Quetiapine overdose: predicting intubation, duration of ventilation, cardiac monitoring and the effect of activated charcoal
    Geoffrey K Isbister
    aDepartment of Clinical Toxicology and Pharmacology, Calvary Mater Newcastle Hospital, Newcastle, Australia
    Int Clin Psychopharmacol 24:174-80. 2009
    ..SDAC seems to have only modest effects on outcomes but may be considered within 2 h for large ingestions. Electrocardiogram monitoring is unlikely to be necessary...
  32. ncbi request reprint Australian scorpion stings: a prospective study of definite stings
    Geoffrey K Isbister
    Discipline of Clinical Pharmacology, University of Newcastle, Newcastle Mater Misericordiae Hospital, Clinical Sciences Building, Level 5 Edith Street, Waratah, NSW 2298, Australia
    Toxicon 41:877-83. 2003
    ..This differs from other parts of the world, where severe envenoming is reported. The major clinical effect is severe pain, consistent with other scorpion stings. Most stings occurred indoors and at night...
  33. doi request reprint Bites in Australian snake handlers--Australian snakebite project (ASP-15)
    Geoffrey K Isbister
    Discipline of Clinical Pharmacology, University of Newcastle, Calvary Mater Newcastle, Waratah NSW 2298, Australia
    QJM 105:1089-95. 2012
    ..Snakebites in snake handlers are an important clinical problem that may differ to bites in the general population...
  34. doi request reprint Dexmedetomidine in the emergency department: assessing safety and effectiveness in difficult-to-sedate acute behavioural disturbance
    Leonie Calver
    Discipline of Clinical Pharmacology, University of Newcastle, Newcastle, New South Wales, Australia
    Emerg Med J 29:915-8. 2012
    ..To investigate the safety and effectiveness of dexmedetomidine for sedating patients in whom previous attempts at sedation in the emergency department have failed...
  35. ncbi request reprint Australian wolf spider bites (Lycosidae): clinical effects and influence of species on bite circumstances
    Geoffrey K Isbister
    Discipline of Clinical Pharmacology, Newcastle Mater Misericordiae Hospital, University of Newcastle, Waratah, New South Wales, Australia
    J Toxicol Clin Toxicol 42:153-61. 2004
    ..Necrotic arachnidism continues to be attributed to wolf spider bites. This study investigates the clinical effects of bites by wolf spiders in Australia (family Lycosidae)...
  36. ncbi request reprint Developing a decision tree algorithm for the diagnosis of suspected spider bites
    Geoffrey K Isbister
    Emergency Department, Newcastle Mater Misericordiae Hospital, Newcastle, New South Wales, Australia
    Emerg Med Australas 16:161-6. 2004
    ....
  37. ncbi request reprint Spotted black snake (Pseudechis guttatus) envenoming
    Melanie Jansen
    School of Medical Practice and Population Health, University of Newcastle, Newcastle, NSW, Australia
    Med J Aust 186:41-2. 2007
    ..Neither patient developed significant coagulopathy, myolysis or neuromuscular paralysis. Bites by this species appear to cause effects similar to those of the more common red-bellied black snake (P. porphyriacus)...
  38. ncbi request reprint Necrotic arachnidism: the mythology of a modern plague
    Geoffrey K Isbister
    Clinical Envenoming Research Group, University of Newcastle, Newcastle Mater Misericordiae Hospital, Waratah NSW 2298, Australia
    Lancet 364:549-53. 2004
  39. pmc The use of high-dose insulin-glucose euglycemia in beta-blocker overdose: a case report
    Colin Page
    Department of Clinical Toxicology and Pharmacology, Calvary Mater Newcastle Hospital, Newcastle, NSW, Australia
    J Med Toxicol 5:139-43. 2009
    ..Although the metoprolol concentrations measured in plasma were approximately 100-200 times therapeutic concentrations, the pharmacokinetics appeared to be similar to therapeutic metoprolol dosing...
  40. ncbi request reprint Bites by spiders of the family Theraphosidae in humans and canines
    Geoffrey K Isbister
    Discipline of Clinical Pharmacology, University of Newcastle, Waratah, NSW 2298, Australia
    Toxicon 41:519-24. 2003
    ..Bites by these spiders are unlikely to cause major problems in humans. The study also demonstrates that the venom is far more toxic to canines...
  41. ncbi request reprint Antivenom treatment in arachnidism
    Geoffrey K Isbister
    Discipline of Clinical Pharmacology, University of Newcastle and Newcastle Mater Misericordiae Hospital, Newcastle, NSW, Australia
    J Toxicol Clin Toxicol 41:291-300. 2003
    ..Although envenomation from arthropods is common, no antivenoms exist for these, excepting Lonomia caterpillars in South America, and Ixodes paralysis ticks in Australia...
  42. ncbi request reprint Presumed Angel's trumpet (Brugmansia) poisoning: clinical effects and epidemiology
    Geoffrey K Isbister
    Discipline of Clinical Pharmacology, University of Newcastle, Department of Clinical Toxicology and Pharmacology, Newcastle Mater Misericordiae Hospital, Newcastle, New South Wales, Australia
    Emerg Med (Fremantle) 15:376-82. 2003
    ..To investigate the pattern and epidemiology of anticholinergic plant poisoning, and to characterize its time course and clinical features...
  43. doi request reprint Commercial monovalent antivenoms in Australia are polyvalent
    Margaret A O'Leary
    Department of Clinical Toxicology and Pharmacology, Calvary Mater Newcastle Hospital, Newcastle, NSW, Australia
    Toxicon 54:192-5. 2009
    ..However, it would be possible for the manufacturer to reduce the number of types of snake antivenoms available in Australia to two polyvalent antivenoms which would simplify treatment of snakebite...
  44. ncbi request reprint Emergency department performance indicators that encompass the patient journey
    David Sibbritt
    School of Medical Practice and Population Health, University of Newcastle, New South Wales, Australia
    Qual Manag Health Care 15:27-38. 2006
    ..The study aimed to provide a recommended list of performance indicators from routinely collected data that measure most aspects of the patient journey through the emergency department (ED)...
  45. ncbi request reprint Intentional warfarin overdose
    Geoffrey K Isbister
    Discipline of Clinical Pharmacology, University of Newcastle, Newcastle, New South Wales, Australia
    Ther Drug Monit 25:715-22. 2003
    ..Titrating intravenous vitamin K with doses of 0.5 to 2.0 mg when INR > 5 is appropriate to reduce INR without causing warfarin resistance. The high-risk group must be kept anticoagulated, and warfarin resistance avoided...
  46. ncbi request reprint A randomised controlled trial of hot water (45 degrees C) immersion versus ice packs for pain relief in bluebottle stings
    Conrad Loten
    Hunter New England Area Health Service, Newcastle, NSW
    Med J Aust 184:329-33. 2006
    ..To investigate the effectiveness of hot water immersion for the treatment of Physalia sp. (bluebottle or Portuguese Man-of-War) stings...
  47. pmc A randomised controlled trial of two infusion rates to decrease reactions to antivenom
    Geoffrey K Isbister
    Discipline of Clinical Pharmacology, University of Newcastle, Newcastle, New South Wales, Australia
    PLoS ONE 7:e38739. 2012
    ..This study aimed to investigate whether the rate of infusion of antivenom reduced the frequency of severe systemic hypersensitivity reactions...
  48. ncbi request reprint Suspected snakebite: one year prospective study of emergency department presentations
    Geoffrey K Isbister
    Discipline of Clinical Pharmacology, University of Newcastle and Newcastle Mater Misericordiae Hospital, Newcastle, New South Wales, Australia
    Emerg Med (Fremantle) 15:160-9. 2003
    ..Snakebite is an uncommon, but potentially life-threatening condition. The more common clinical scenario is suspected snake-bite. Our aim was to characterise the epidemiology, diagnosis and management of patients with suspected snakebites...
  49. ncbi request reprint Investigating the relationship between emergency departments and complementary and alternative medicine use in Australia
    Geoffrey K Isbister
    Emergency Department, Newcastle Mater Misericordiae Hospital, Newcastle, New South Wales, Australia
    Emerg Med Australas 16:378-81. 2004
  50. ncbi request reprint The pathophysiology of serotonin toxicity in animals and humans: implications for diagnosis and treatment
    Geoffrey K Isbister
    Department of Clinical Toxicology and Pharmacology, Newcastle Mater Misericordiae Hospital and University of Newcastle, NSW, Australia
    Clin Neuropharmacol 28:205-14. 2005
    ..However, the mainstay of treatment of severe cases is good supportive care and early intubation and paralysis in life-threatening serotonin toxicity...
  51. ncbi request reprint Nefazodone poisoning: toxicokinetics and toxicodynamics using continuous data collection
    Geoffrey K Isbister
    University of Newcastle, Newcastle, Australia
    J Toxicol Clin Toxicol 41:167-73. 2003
    ..Bradycardia, hypotension, and drowsiness are the most significant effects and are maximal in the first 12 hours when parent and metabolite concentrations are high...
  52. doi request reprint Reviewing deaths in the emergency department: deaths in the department or deaths within 48 h
    Sally Clunas
    Emergency Department, John Hunter Hospital, Newcastle, NSW, Australia
    Emerg Med Australas 21:117-23. 2009
    ..To investigate an ED death audit process that included deaths occurring within 48 h of admission in addition to deaths in the ED...
  53. ncbi request reprint Acute conjunctival inflammation following contact with squashed spider contents
    Geoffrey K Isbister
    Discipline of Clinical Pharmacology, University of Newcastle, and Newcastle Mater Misericordiae Hospital, Waratah, New South Wales, Australia
    Am J Ophthalmol 136:563-4. 2003
    ..To report the effects to the eye following contact with spider contents...
  54. ncbi request reprint The dark side of the moon
    Leonie A Calver
    Department of Clinical Toxicology and Pharmacology, Calvary Mater Newcastle Hospital, Newcastle, NSW, Australia
    Med J Aust 191:692-4. 2009
    ..We investigated the possibility that there is an association between only extreme behavioural disturbance and the full moon...
  55. pmc Drug induced QT prolongation: the measurement and assessment of the QT interval in clinical practice
    Geoffrey K Isbister
    Discipline of Clinical Pharmacology, University of Newcastle, Newcastle, NSW, Australia Department of Clinical Toxicology and Pharmacology, Calvary Mater Newcastle, Newcastle, NSW, Australia
    Br J Clin Pharmacol 76:48-57. 2013
    ..This risk assessment then allows the safer commencement of drugs therapeutically or management of drug induced effects in overdose...
  56. ncbi request reprint Failure of intramuscular antivenom in Red-back spider envenoming
    Geoffrey K Isbister
    Discipline of Clinical Pharmacology, University of Newcastle, Level 5, Clinical Sciences Building, Newcastle Mater Hospital, Edith St, Waratah NSW 2298, Australia
    Emerg Med (Fremantle) 14:436-9. 2002
    ..Controlled studies should be undertaken to establish the effectiveness of intravenous and intramuscular Red-back antivenom...
  57. pmc Valproate overdose: a comparative cohort study of self poisonings
    Geoffrey K Isbister
    Discipline of Clinical Pharmacology, University of Newcastle, Level 5, Clinical Sciences Building, Newcastle Mater Misericordiae Hospital, Waratah, NSW 2298, Newcastle, Australia
    Br J Clin Pharmacol 55:398-404. 2003
    ..Based on individual case reports of massive overdoses, valproate is often regarded as having significant toxicity. This study aimed to describe the epidemiology of valproate poisoning and the spectrum of its clinical effects...
  58. doi request reprint How do we use drug concentration data to improve the treatment of overdose patients?
    Geoffrey K Isbister
    Department of Clinical Toxicology and Pharmacology, University of Newcastle, New South Wales, Australia
    Ther Drug Monit 32:300-4. 2010
    ..Using such an approach means that the use of drug concentration data in research will improve the risk assessment in overdose patients, without requiring these assays to be rapidly available in the acute health setting...
  59. ncbi request reprint Two cases of bites by the black-bellied swamp snake (Hemiaspis signata)
    Geoffrey K Isbister
    Department of Clinical Toxicology and Pharmacology, Newcastle Mater Misericordiae Hospital, Locked Bag 7, Hunter Region Main Centre, Newcastle, NSW 2310, Australia
    Toxicon 40:317-9. 2002
    ..These cases indicate the potential for coagulopathy and local symptoms following bites by large specimens of H. signata in young children...
  60. doi request reprint Individual patient assessment of methadone-induced QT prolongation with digital holter recording
    Leonie Calver
    Department of Clinical Toxicology, Calvary Mater Newcastle Hospital, Edith St, Waratah New South Wales 2298, Australia
    J Addict Med 6:92-3. 2012
    ..For each 24-hour period QT-HR pairs were plotted on the QT nomogram showing QT prolongation on methadone but not when it was ceased. This provides a highly accurate method for evaluating drug-induced QT prolongation...
  61. doi request reprint Intravenous paracetamol toxicity in a malnourished child
    Ingrid Berling
    Discipline of Clinical Pharmacology, Clinical Toxicology and Pharmacology, Calvary Mater Newcastle, Newcastle, Australia
    Clin Toxicol (Phila) 50:74-6. 2012
    ....