TY - JOUR T1 - Nicorandil abolished repolarisation alternans in a patient with idiopathic long QT syndrome JF - Heart JO - Heart SP - e8 LP - e8 DO - 10.1136/hrt.82.5.e8 VL - 82 IS - 5 AU - Y Fujimoto AU - H Morita AU - K K Fukushima AU - T Ohe Y1 - 1999/11/01 UR - http://heart.bmj.com/content/82/5/e8.abstract N2 - A 23 year old woman with idiopathic long QT syndrome had repeated syncopal attacks associated with torsades de pointes. T wave alternans (TWA) was recorded and the QT interval was abnormally prolonged during treadmill exercise test. Monophasic action potential (MAP) alternans also appeared after an abrupt shortening of the cycle length in electrophysiological study. After intravenous administration of nicorandil 6 mg, both TWA and MAP alternans disappeared. ER -