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torsades de pointes

Recurrent Torsades de Pointes Due to Amiodarone Toxicity Treated Successfully with Lidocaine


The Editor,


Amiodarone is a potent antiarrhythmic agent that is used to treat ventricular arrhythmias and atrial fibrillation. Proarrythmias due to amiodarone therapy is rare. We discuss a case who had amiodarone-induced incessant Torsades de Pointes (TdP), that could only be suppressed by lidocaine.

23 Oct, 2014
29 Oct, 2014
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e-Published: 06 May, 2015

QT Interval Prolongation Associated with Azithromycin/Methadone Combination

This report documents the occurrence of QT prolongation in a 57-year old man, on methadone replacement therapy, treated with azithromycin for community acquired pneumonia. This case highlights a hitherto unknown drug interaction. In light of ever-increasing use of azithromycin, it is imperative that azithromycin be used with caution in patients who are already on drugs that are known to cause QT prolongation or that cause torsades de pointes.
29 Aug, 2012
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e-Published: 20 Feb, 2014

Pre-published Manuscript

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