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多年以来,临床医生把一个可以听见的第四心音看作是有心脏病的异常情况。但没有注意到病人的年龄。近来,某些作者提出,在绝大多数正常老年人(50—80岁)中间能够听到和记录到第四心音。在这个年龄组范围内的196个非卧床病人中,143人(79%)借助心音图的记录发现有第四心音。他们注意到第四
Over the years, clinicians have taken an audible fourth heart sound as an anomaly of heart disease. But did not notice the patient’s age. Recently, some authors have suggested that the fourth heart sound can be heard and recorded in the middle of most normal seniors (50-80 years old). Of the 196 ambulatory patients in this age group, 143 (79%) found a fourth heart sound on the basis of a phonocardiogram record. They noticed the fourth