Long QT Syndrome Practice Essentials: Long QT syndrome (LQTS) is a congenital disorder characterized by a prolongation of the QT interval on electrocardiograms (ECGs) and a propensity to ventricular tachyarrhythmias, which may lead to syncope, card…

Impact of antidepressant and antipsychotic use in the occurence of torsades de pointes arrhythmia: a case-control study.  Cyr S, Abdelaziz L, Minichiello A, Bouvier M, Djona O, Fiset C, Tadros R, Levesque S, Daval C, Lavigne V, Khairy P, Natte…

Cardiovascular Complications Following Acute Methadone Poisoning in Patients with and Without a History of Long-term Methadone Use.  Dorooshi G, Shirmohammadi M, Gheshlaghi F, Otroshi A, Zoofaghari S, Eizadi-Mood N.  J Res Pharm Pract. 2…

The effect of oral methadone on the QTc interval in cancer pain patients.  Sheen S, Choo J, Huh B, Chung M.  Pain Manag. 2025 Jan 22:1-5. doi: 10.1080/17581869.2025.2457316. Epub ahead of print. PMID: 39844622. Abstract https://www.tan…

ECG Challenge: Feeling Lightheaded After Methadone Overdose Medscape - October 18, 2024. https://www.medscape.com/viewarticle/ecg-challenge-feeling-lightheaded-after-methadone-overdose-2024a1000irn

Assessing the Risk of QT Prolongation in a Psychiatric Inpatient Cohort: A Retrospective Cross-Sectional Study.  Christensen JFMM, Jürgens-Lahnstein JH, Iljazi A, Andersen SE, Dahl M, Jürgens G.  Pharmaceuticals (Basel). 2024 Oct 16;17(1…