Figure 1From: QT interval prolongation after sertraline overdose: a case reportECGs of the patient. ECG of the patient upon admission (upper panel) shows a normal sinus rhythm with a QT interval in lead V2 of 370 ms (QTc 420 ms). There were negative T-waves in leads V1–V3. A second ECG was obtained one day after admission (lower panel) shows a markedly prolonged QT interval of 520 ms in V2 (QTc 525 ms).Back to article page