fourth heart sound

基本解释

Fourth heart sound correlated with damage of left ventricular function and compliance.
第四心音与左室功能损害及室壁的顺应性差有关。
Do you want to know the heart of the dirty is a polyphone, it read a fourth is the first sound.
你要知道心脏的脏是个多音字，它读第四声也读第一声。
The clinical experiments have indicated that the first and second heart sound can be almost acquired by the microphone, but it is difficult for the third and fourth, w…
临床实验表明，利用驻极体传声器基本上能采集到正常的第一、第二心音，但对有病理信息的第三、第四心音却不易正确采集到，这与患者性别和胖、瘦等因素均有关系。