the presence of an idiopathic prolapse of the mitral valve was demonstrated , as well as the familial nature of the condition , and the fact that the syncopal attacks were caused by ventricular tachycardia , the case report is followed by a discussion of the cardiac arrhythmias which are likely to accompany this particular mitral lesion , the difficulties in treatment which arise , and finally the danger of sudden death by ventricular fibrillation inherent in this condition , a danger which it is stille difficult to quantify .
C0003811
cardiac
C0042510
ventricular fibrillation