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第三心音(S_3)是发生于舒张早期的低频心音,分为生理性和病理性。近年来的研究表明S_3可作为评定心肌状态的有价值的体征,已受到临床医生的重视。本文通过对178例正常人,69例冠心病人和13例扩张性心肌病人描记的心音图及心机械图测定,分析S_3与年龄及无创性心功能指标的关系,以探讨S_3的临床意义。研究对象和方法正常人178例选自健康体检者,经常规检查确认无心血管系统疾病及可能影啊心肚功能的其它疾病,计男性121例,女性5了例,年龄范围12~75岁。冠心病组69例,皆符l件块血性心脏病诊断标准ca〕,计男性60例,
The third heart sound (S_3) is in the early diastolic low frequency heart sound, divided into physiological and pathological. In recent years, studies have shown that S_3 can be used as a valuable measure of myocardial status assessment, has been the clinician’s attention. In this paper, 178 cases of normal, 69 cases of coronary heart disease and 13 cases of dilated cardiomyopathy were recorded cardiogram and cardiogram measured, analysis of S 3 and age and noninvasive cardiac function in order to explore the clinical significance of S 3. Subjects and Methods 178 normal subjects were selected from healthy physical examination, routine examination confirmed that no cardiovascular disease and other diseases may affect the heart function, including 121 males and 5 females, the age range of 12 to 75 years old. Coronary heart disease group of 69 cases, all consistent l pieces of diagnostic criteria for hematogenous ca], accounting for 60 males,