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作者在1974年7月至1976年6月对1519例患者进行诊断性主、右心导管检查和心血管造影,发现79例二尖瓣脱垂,占5.2％。79例中36例为男性,43例为女性,平均年龄49岁。16例有非喷射性收缩期喀喇音,37例心尖部有收缩期杂音。67例心电图异常。13例X线示心脏扩大。心血管造影发现63例(79％)为后叶脱垂,16例(21％)为前、后两叶
The authors performed a diagnostic primary and right heart catheterization and cardiovascular angiography of 1519 patients between July 1974 and June 1976, and found 79 cases of mitral valve prolapse (5.2%). Of the 79 patients, 36 were male and 43 were female, with a mean age of 49 years. 16 cases had non-jet systolic Kara tone, 37 cases of apical systolic murmur. 67 cases of abnormal ECG. 13 cases of X-ray showed cardiac enlargement. Sixty-three patients (79%) had prolapsed posterior prolapse on cardiovascular angiography, and 16 (21%) had anterior and posterior lobes