Overview
Background
Katherine is an Emergency Physician and Clinical Toxicologist based at the Princess Alexandra Hospital and the Medical Director for the Queensland Poisons Information Centre. She is passionate about promoting and expanding Clinical Toxicology services throughout Queensland.
She is the president of Toxicology And Poisoning Network Australasia (TAPNA), serves on multiple TAPNA subcommittees, and facilitates its 2 year post-graduate Clinical Toxicology course. She also created the Princess Alexandra Hospital Clinical Toxicology Subspecialisation Program which allows post-graduate toxicology training for nurses and pharmacists.
She is an enthusiastic clinician researcher. Her interests include the management of illicit drug poisoning, the pharmacokinetics and pharmacodynamics of drugs in overdose and snake envenomation. She completed a PhD in clinical toxicology on "Opioid overdose and its reversal".
Availability
- Associate Professor Katherine Isoardi is:
- Available for supervision
- Media expert
Research interests
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Clinical Toxicology
In particular illicit drug poisoning and the pharmacokinetic and pharmacodynamics of drugs in overdose
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Toxinology
In particular snake envenomation
Works
Search Professor Katherine Isoardi’s works on UQ eSpace
2025
Journal Article
Novel psychoactive substances in Australian emergency departments: implications for public health practice from multi-centre prospective toxicosurveillance across five states, 2022–2023
Smith, Jennifer L., Weber, Courtney C., Schumann, Jennifer L., Ezard, Nadine, Fatovich, Daniel M., McCutcheon, David, Isoardi, Katherine Z., Dawson, Andrew H., Syrjanen, Rebekka, Harris, Keith, Stockham, Peter, Partridge, Emma, Alfred, Sam, Tran, Viet, Kotkis, Ellie M., Sakrajda, Paul, Trujillo, Melissa and Greene, Shaun L. (2025). Novel psychoactive substances in Australian emergency departments: implications for public health practice from multi-centre prospective toxicosurveillance across five states, 2022–2023. International Journal of Drug Policy, 145 104969, 104969-145. doi: 10.1016/j.drugpo.2025.104969
2025
Journal Article
Application of the QT nomogram to ECG monitoring of QT prolongation in arsenic trioxide for acute promyelocytic myeloid leukaemia
Martin, Christopher, Hill, Kate and Isoardi, Katherine (2025). Application of the QT nomogram to ECG monitoring of QT prolongation in arsenic trioxide for acute promyelocytic myeloid leukaemia. Leukemia & Lymphoma, 1-5. doi: 10.1080/10428194.2025.2560077
2025
Journal Article
Life-threatening anaphylaxis following antivenom administration in two patients with horse dander allergy
Isoardi, Katherine Z., Chiew, Angela L., Dhital, Atul and Isbister, Geoffrey K. (2025). Life-threatening anaphylaxis following antivenom administration in two patients with horse dander allergy. Clinical Toxicology, 63 (10), 1-3. doi: 10.1080/15563650.2025.2545592
2025
Journal Article
Reevaluating Clozapine-Induced QT Prolongation
Tanzer, Timothy, Hanisch, Rebecca, Yap, Chloe, Warren, Nicola, Barras, Michael, Kisely, Steve, Isoardi, Katherine, Kosari, Kiana and Siskind, Dan (2025). Reevaluating Clozapine-Induced QT Prolongation. Schizophrenia Bulletin sbaf114. doi: 10.1093/schbul/sbaf114
2025
Journal Article
Toxicological seizures: characteristics, outcomes and recurrence
McCulloch, Kristy, Berling, Ingrid, Chiew, Angela L., Wood, Katherine, Harris, Keith, Isbister, Geoffrey, Sachs, Brooke and Isoardi, Katherine (2025). Toxicological seizures: characteristics, outcomes and recurrence. Clinical Toxicology, 63 (8), 527-533. doi: 10.1080/15563650.2025.2512827
2025
Journal Article
A non-inferiority randomised controlled trial of a Shorter Acetylcysteine Regimen for Paracetamol Overdose – the SARPO trial
Isbister, Geoffrey, Chiew, Angela, Buckley, Nicholas, Harris, Keith, Berling, Ingrid, Downes, Michael, Page, Colin and Isoardi, Katherine (2025). A non-inferiority randomised controlled trial of a Shorter Acetylcysteine Regimen for Paracetamol Overdose – the SARPO trial. Journal of Hepatology, 83 (4), 881-887. doi: 10.1016/j.jhep.2025.05.008
2025
Journal Article
Management of hypotension in dihydropyridine calcium channel blocker overdose: The role of high‐dose insulin therapy
Chan, Betty S. H., Isoardi, Katherine Z., Roberts, Darren M. and Har, Ong Sook (2025). Management of hypotension in dihydropyridine calcium channel blocker overdose: The role of high‐dose insulin therapy. British Journal of Clinical Pharmacology, 91 (9), 2613-2620. doi: 10.1002/bcp.70081
2025
Journal Article
High dose insulin is an inodilator, not an antidote in the poisoned patient!
Isoardi, Katherine Z, Chan, Betty and Chiew, Angela L (2025). High dose insulin is an inodilator, not an antidote in the poisoned patient!. Emergency Medicine Australasia, 37 (2) e70035, e70035-2. doi: 10.1111/1742-6723.70035
2025
Journal Article
Clinical effects of acute lamotrigine overdose (ATOM-10)
Chiew, Angela L., Isbister, Geoffrey K., Nguyen, Kiet, McCulloch, Kristy, Ionmhain, Úna Nic and Isoardi, Katherine Z. (2025). Clinical effects of acute lamotrigine overdose (ATOM-10). Clinical Toxicology, 63 (5), 1-7. doi: 10.1080/15563650.2025.2471906
2025
Journal Article
Early cardiovascular collapse after envenoming by snakes in Australia, 2005-2020: an observational study (ASP-31)
Isbister, Geoffrey K., Isoardi, Katherine Z., Chiew, Angela L., Jenkins, Shane and Buckley, Nicholas A. (2025). Early cardiovascular collapse after envenoming by snakes in Australia, 2005-2020: an observational study (ASP-31). Medical Journal of Australia, 222 (6), 313-317. doi: 10.5694/mja2.52622
2025
Journal Article
Calcium channel blocker overdose: not all the same toxicity
Isbister, Geoffrey K., Jenkins, Shane, Harris, Keith, Downes, Michael A. and Isoardi, Katherine Z. (2025). Calcium channel blocker overdose: not all the same toxicity. British Journal of Clinical Pharmacology, 91 (3), 740-747. doi: 10.1111/bcp.16258
2025
Journal Article
Ivabradine poisoning: a retrospective observational case series
Bin Sumarni, Muhammad Nursuhairi, Chiew, Angela L., Isbister, Geoffrey K., Wylie, Carol J. and Isoardi, Katherine Zina (2025). Ivabradine poisoning: a retrospective observational case series. Toxicology Communications, 9 (1) 2464274, 1. doi: 10.1080/24734306.2025.2464274
2025
Book Chapter
Toxins in the Food Chain: The Example of Poppy Seeds and Thebaine
Holford, Amanda and Isoardi, Katherine (2025). Toxins in the Food Chain: The Example of Poppy Seeds and Thebaine. Handbook of Public Health Nutrition. (pp. 1-9) Cham, Switzerland: Springer. doi: 10.1007/978-3-031-32047-7_6-1
2025
Journal Article
Clinical toxicity of nitazene detections in two Australian emergency department toxicosurveillance systems
Isoardi, Katherine Z., Alfred, Sam, Weber, Courtney, Harris, Keith, Soderstrom, Jessamine, Syrjanen, Rebekka, Thompson, Amanda, Schumann, Jennifer, Stockham, Peter, Sakrajda, Paul, Fatovich, Daniel, Greene, Shaun L. and the EDNA and EDNAV Investigators (2025). Clinical toxicity of nitazene detections in two Australian emergency department toxicosurveillance systems. Drug and Alcohol Review. doi: 10.1111/dar.13998
2025
Journal Article
A prospective study of acute propranolol overdose defining dose thresholds of severe toxicity (ATOM – 9)
Isoardi, Katherine Z., Chiew, Angela L., Do, Cuong, Humphreys, Michael, Mustafa, Ahmead, Roberts, Michael S. and Isbister, Geoffrey K. (2025). A prospective study of acute propranolol overdose defining dose thresholds of severe toxicity (ATOM – 9). Clinical Toxicology, 63 (1), 1-9. doi: 10.1080/15563650.2024.2435397
2025
Journal Article
Real world delays in antivenom administration: patient, snake or hospital factors (ASP-33)
Isbister, Geoffrey K., Chiew, Angela L., Buckley, Nicholas A., Soderstrom, Jessamine, Brown, Simon GA., Jenkins, Shane and Isoardi, Katherine Z. (2025). Real world delays in antivenom administration: patient, snake or hospital factors (ASP-33). Clinical Toxicology, 63 (1), 10-15. doi: 10.1080/15563650.2024.2433125
2025
Journal Article
Predictors and Outcomes of Airway Management in Patients Presenting to the Emergency Department With Overdose and Decreased Consciousness: A Scoping Review
Pellatt, Richard A. F., Ishak, Sarah, Clark, Justin, Isoardi, Katherine, Ware, Robert S. and Keijzers, Gerben (2025). Predictors and Outcomes of Airway Management in Patients Presenting to the Emergency Department With Overdose and Decreased Consciousness: A Scoping Review. Emergency Medicine International, 2025 (1) 8071582. doi: 10.1155/emmi/8071582
2024
Journal Article
Suggested guide to using lactate gap as a surrogate marker in the diagnosis of ethylene glycol overdose
Dimeski, Goce, Holford, Amanda and Isoardi, Katherine (2024). Suggested guide to using lactate gap as a surrogate marker in the diagnosis of ethylene glycol overdose. Annals of Clinical Biochemistry, 62 (2), 140-142. doi: 10.1177/00045632241292514
2024
Journal Article
Growing burden of gamma‐hydroxybutyrate intoxication on emergency department resource utilisation
Berling, Ingrid, Isoardi, Katherine, Harris, Keith, Downes, Michael A., Lovett, Caitlyn and Isbister, Geoffrey K. (2024). Growing burden of gamma‐hydroxybutyrate intoxication on emergency department resource utilisation. Emergency Medicine Australasia, 36 (5), 792-794. doi: 10.1111/1742-6723.14467
2024
Journal Article
Effectiveness of intramuscular naloxone 1,600 μg in addition to titrated intravenous naloxone 100 μg for opioid poisoning: a randomised controlled trial
Isoardi, Katherine Z., Harris, Keith, Currey, Elizabeth, Buckley, Nicholas A. and Isbister, Geoffrey K. (2024). Effectiveness of intramuscular naloxone 1,600 μg in addition to titrated intravenous naloxone 100 μg for opioid poisoning: a randomised controlled trial. Clinical Toxicology, 62 (10), 643-650. doi: 10.1080/15563650.2024.2396447
Supervision
Availability
- Associate Professor Katherine Isoardi is:
- Available for supervision
Looking for a supervisor? Read our advice on how to choose a supervisor.
Supervision history
Current supervision
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Doctor Philosophy
Digitally Enhanced Evaluation of Prescription Drug Misuse
Associate Advisor
Other advisors: Professor Andrew Burton-Jones, Associate Professor Andrew Staib
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Doctor Philosophy
A pharmacist to improve medication management and patient outcomes for critically ill patients in the emergency department.
Associate Advisor
Other advisors: Dr Nazanin Ghahreman-Falconer, Professor Michael Barras
Media
Enquiries
Contact Associate Professor Katherine Isoardi directly for media enquiries about:
- drug intoxication
- opioids
- overdose
- poisoning
- toxicology
Need help?
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