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Figure 4 (Top) An 85-year-old man (Patient 2) with anterior infarction treated with tissue plasminogen activator. Day 1: Obvious ST elevation in the precordial leads (QTc = 440 ms). Day 2: Early appearance of giant inverted T-waves. (QT = 600 ms; QTc = 674 ms). Day 3: Brief burst of pause-dependent torsade de pointes. (Bottom) A 67-year-old man (Patient 3) with anterior infarction treated with primary angioplasty of the left anterior descending coronary artery. He had an uncomplicated course until day 6 but then had recurrent torsade de pointes deteriorating to ventricular fibrillation. Spontaneous termination of torsade de pointes is shown on the eighth day. Note the QT augmentation following the pause (arrowheads).
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