Diastolic heart failure (DHF) currently accounts for more than 50% of all heart failure patients.

目前舒张性心力衰竭(DHF)占所有心衰患者的50%以上。

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Objective to measure the left ventricular long axis systolic function in the patients with diastolic heart failure (DHF) and investigate its clinical significance.

目的检测舒张性心力衰竭(DHF)患者左心室长轴收缩功能，探讨其临床意义。

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