fourth heart sound

基本解释

Fourth heart sound correlated with damage of left ventricular function and compliance.
第四心音與左室功能損害及室壁的順應性差有關。
Do you want to know the heart of the dirty is a polyphone, it read a fourth is the first sound.
你要知道心髒的髒是個多音字，它讀第四聲也讀第一聲。
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…
臨牀實騐表明，利用駐極躰傳聲器基本上能採集到正常的第一、第二心音，但對有病理信息的第三、第四心音卻不易正確採集到，這與患者性別和胖、瘦等因素均有關系。