Figure 1.

ECGs 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).

de Boer et al. BMC Emergency Medicine 2005 5:5   doi:10.1186/1471-227X-5-5
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