Objective: Explore the value of phonocardiogram exercise test (PCGET) to evaluating cardiac contractility.

目的：探讨心音图运动试验（PCGET）评估心肌收缩力及心力储备的价值。

youdao

Objective: Explore the value of phonocardiogram exercise test (PCGET) to evaluating cardiac contractility.

目的：探讨心音图运动试验（PCGET）评估心肌收缩力及心力储备的价值。

youdao