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以二尖瓣区为最响、在收缩晚期呈递增型加强、持续到主动脉瓣关闭的收缩期杂音,不少学者认为是轻度二尖瓣反流的表现,其预后良好。然而,许多病例可频发室性过早搏动,也有报道可因心律失常而猝死。本文旨在提供临床上对这一类患者判断预后时的参考。材料与方法:对1950～1963年心音图检查所发现的孤立性收缩晚期杂音病例进行
The mitral valve area is the loudest, showed an increase in the late stage of contraction to enhance, until the closure of the aortic valve systolic murmur, many scholars believe that mild mitral regurgitation performance, the prognosis is good. However, many cases of premature ventricular beats frequent, there are also reports of sudden death due to arrhythmia. This article aims to provide clinical reference to determine the prognosis of this type of patients. Materials and Methods: The cases of isolated contracted late murmur found in the phonocardiogram examination from 1950 to 1963