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Dynamic ST-segment elevation during fractionated administration of ajmaline. After 12 minutes and a total of 60 mg ajmaline, V1 (2nd intercostal space) shows a type 1 ECG with coved ST-segment elevation (ST-segment elevation ≥2 mm with descending ST segment, and inverted T wave, “coved” pattern [e23]).
V1 = precordial lead; ECG = electrocardiogram
