Drugs Causing QT Prolongation
Antipsychotics
- Chlorpromazine
- Haloperidol
- Droperidol
- Quetiapine
- Olanzapine
- Amisulpride
- Thioridazine
Type IA antiarrhythmics
- Quinidine
- Procainamide
- Disopyramide
Type IC antiarrhythmics
- Flecainide
- Encainide
Class III antiarrhythmics
- Sotalol
- Amiodarone
Tricyclic antidepressants
- Amitriptyline
- Doxepin
- Imipramine
- Nortriptyline
- Desipramine
Other antidepressants
- Mianserin
- Citalopram
- Escitalopram
- Venlafaxine
- Bupropion
- Moclobemide
Antihistamines
- Diphenhydramine
- Astemizole
- Loratidine
- Terfanadine
Other
- Chloroquine
- Hydroxychloroquine
- Quinine
- Macrolides: Erythromycin; Clarithromycin
Advanced Reading
Online
- Wiesbauer F, Kühn P. ECG Mastery: Yellow Belt online course. Understand ECG basics. Medmastery
- Wiesbauer F, Kühn P. ECG Mastery: Blue Belt online course: Become an ECG expert. Medmastery
- Kühn P, Houghton A. ECG Mastery: Black Belt Workshop. Advanced ECG interpretation. Medmastery
- Rawshani A. Clinical ECG Interpretation ECG Waves
- Smith SW. Dr Smith’s ECG blog.
- Wiesbauer F. Little Black Book of ECG Secrets. Medmastery PDF
Textbooks
- Zimmerman FH. ECG Core Curriculum. 2023
- Mattu A, Berberian J, Brady WJ. Emergency ECGs: Case-Based Review and Interpretations, 2022
- Straus DG, Schocken DD. Marriott’s Practical Electrocardiography 13e, 2021
- Brady WJ, Lipinski MJ et al. Electrocardiogram in Clinical Medicine. 1e, 2020
- Mattu A, Tabas JA, Brady WJ. Electrocardiography in Emergency, Acute, and Critical Care. 2e, 2019
- Hampton J, Adlam D. The ECG Made Practical 7e, 2019
- Kühn P, Lang C, Wiesbauer F. ECG Mastery: The Simplest Way to Learn the ECG. 2015
- Grauer K. ECG Pocket Brain (Expanded) 6e, 2014
- Surawicz B, Knilans T. Chou’s Electrocardiography in Clinical Practice: Adult and Pediatric 6e, 2008
- Chan TC. ECG in Emergency Medicine and Acute Care 1e, 2004
LITFL Further Reading
- ECG Library Basics – Waves, Intervals, Segments and Clinical Interpretation
- ECG A to Z by diagnosis – ECG interpretation in clinical context
- ECG Exigency and Cardiovascular Curveball – ECG Clinical Cases
- 100 ECG Quiz – Self-assessment tool for examination practice
- ECG Reference SITES and BOOKS – the best of the rest
ECG LIBRARY
Emergency Physician in Prehospital and Retrieval Medicine in Sydney, Australia. He has a passion for ECG interpretation and medical education | ECG Library |
3 Comments
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I realize your list for QTc prolonging medications is not exhaustive, but I really think it should include ondansetron since its a very commonly used agent.
Absolutely!! There’s quite a few commonly used medicines missing. Crediblemeds is what I use
Methadone is a big one too