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二尖瓣脱垂或喀喇音-杂音综合征,常伴有各种心律失常,如频发性室性早搏(85％)短阵性室性心动过速(50％)等,偶而可使病人突然死亡。本文报告7例二尖瓣脱垂综合征伴有一种或多种致命性室性心律失常,包括心室颤动,伴昏厥的反复发作性室性心动过速或持续性室性心动过速而需电转复者。心电图异常包括安静时有复极异常(包括ST-T波异常或有明显u波)者5例,室性早搏6例。6例做踏车试验和活动时心电图记录,都有频发的室性早搏,其中1例室性早搏落在T波顶峰附近,4例活动时心电图出现连续二个室性早搏,2例有短阵性室性过速。在致命性心律失常发作的诱因方面,有心脏停搏的4例中,3例在心脏停搏前一周使用过利尿剂,心得安,奎尼丁,苯妥英钠和钾盐等,致使电解质异
Mitral valve prolapse or rales - murmur syndrome, often accompanied by a variety of arrhythmias, such as frequent ventricular premature beats (85%) of short-term ventricular tachycardia (50%), etc., occasionally The patient died suddenly. This article reports seven cases of mitral valve prolapse syndrome associated with one or more fatal ventricular arrhythmias, including ventricular fibrillation, with recurrent ventricular tachycardia or persistent ventricular tachycardia need electroporation Complex person. Electrocardiogram abnormalities include quiet repolarization (including ST-T wave abnormalities or significant u wave) in 5 cases, 6 cases of ventricular premature beats. 6 cases of treadmill test and activity ECG records, there are frequent premature ventricular contractions, of which 1 case of premature ventricular contractions fall near the T wave peak, 4 cases of electrocardiogram showed two consecutive premature ventricular contractions, 2 cases have Paroxysmal ventricular tachycardia. Among the causes of the fatal arrhythmia episode, 4 of the 4 patients who had cardiac arrest had diuretics, propranolol, quinidine, phenytoin, and potassium salts during the week prior to cardiac arrest, resulting in differences in electrolytes