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对137名冠心病患者和63名正常人的心音图进行研究分析,结果表阴:冠心病患者心音图中第四心音(S_4)的发生率比正常人明显增高,冠心病患者(S_4)与第一心音(S_1)振幅的比值增大,S_4至S_1的时间延长,有S_4的冠心病患者PEP/LVET比无S_4者明显增大(P<0.01),表明异常S_4对冠心病的诊断有一定的价值。
The study of 137 patients with coronary heart disease and 63 normal people’s phonocardiogram was analyzed. The results showed that the incidence of fourth heart sound (S_4) in patients with coronary heart disease was significantly higher than that in normal people, and coronary heart disease patients (S_4) The amplitude of the first heart sound (S_1) increased, the duration of S_4 to S_1 prolonged, and the PEP / LVET of patients with coronary artery disease with S_4 increased significantly (P <0.01) compared with those without S_4, indicating that the diagnosis of coronary heart disease was abnormal S_4 Have a certain value.