Polymorphic Ventricular Tachycardia Associated with High-Dose Methadone Use

<div>(a) After termination of TdP, repeated ECG revealed sinus rhythm with significant QT prolongation and QT interval was about 600 milliseconds. (b) ECG showed sinus rhythm with bigeminy PVC and R on T.</div>

Case Reports in Cardiology

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Figure 2

Figure 2: Polymorphic Ventricular Tachycardia Associated with High-Dose Methadone Use 