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前言心缩间期(Systolic Time Intervals简称STI)是心脏病学的一种无创性检查方法,可对心脏的收缩功能进行定量测定。在临床心脏病学中,STI已开始得到广泛的应用。有关的研究表明,运动负荷的STI
Introduction Systolic Time Intervals (STI) is a noninvasive method of cardiology that quantifies cardiac contractile function. In clinical cardiology, STI has started to be widely used. Related studies have shown that exercise load STI