衰老是人类的生理现象,随着年令的增长,人体的新陈代谢和各脏器的活动均可发生改变。为了观察健康老年人的心脏活动情况和血液动力学的改变,我们在健康体检中选择了部分无高血压病史及心、肺疾患的老年受检者进行了心阻抗微分图检查和超声心动图观察,通过这二项无创伤性心脏检查,观察分析老年健康人的心脏功能和活动情况的变化,现将结果报道如下。 Aging is a human physiological phenomenon, with the growth of the year, the body’s metabolism and the activities of various organs can change. In order to observe the changes of heart activity and hemodynamics in healthy elderly, we selected some elderly subjects who did not have a history of hypertension and heart and lung diseases during their physical examination to conduct cardiac impedance micro-graph and echocardiography , Through these two non-invasive cardiac examination, observation and analysis of elderly healthy people’s cardiac function and changes in activity, the results are reported below.