Will stethoscopic wall of bosom of the area before be being put to the heart, audibility every normal cardiac cycle by " dong ", " da " two composition.
将听诊器放至心前区胸壁，可听到每个正常心动周期由「咚「 、 「哒「两声组成。
Will stethoscopic wall of bosom of the area before be being put to the heart, audibility every normal cardiac cycle by " dong ", " da " two composition.
将听诊器放至心前区胸壁，可听到每个正常心动周期由「咚「 、 「哒「两声组成。
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