Hypertrophic cardiomyopathy with unusual features in a family.

waves, a systolic ejection murmur, and wide splitting of the second heart sound. The electrocardiogram was characterized by a short PR interval, increasedQRS amplitude, and persistent ST depression. There was little or no cardiomegaly but some pulmonary artery prominence. There was no evidence of subaortic stenosis or coronary artery disease in three members who were catheterized, but mild infundibular pulmonary stenosis was found in two. Ischaemic heart disease was closely mimicked and it is suggested that some cases of angina with normal coronary arteriograms