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心缩间期(STIs)是从张力和(或)距离与时间的函数关系测定心室收缩功能的一种方法,也是目前定量测定心缩功能的唯一方法。此法重复性强、灵敏性高、无创伤性,对观察某些心脏病的自然过程和判断临床疗效有其重要意义。但在鉴别诊断中,意
Systolic interval (STIs) is a measure of ventricular systolic function as a function of tension and / or distance and time, and is the only method currently available for quantitative determination of cardiac systolic function. This method repeatability, high sensitivity, non-invasive nature of the observation of some of the natural process of heart disease and determine the clinical efficacy of its great significance. However, in the differential diagnosis, meaning