How to evaluate the cardiac function by echocardiographic measurement of left ventricular isometric contraction phase?

如何用超声检测的左室等长收缩期判断心脏功能？

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How to evaluate the cardiac function by echocardiographic measurement of left ventricular isometric contraction phase?

如何用超声检测的左室等长收缩期判断心脏功能？

youdao