心しん音おん

noun

heart sound; cardiac sound

Medical term for the sounds produced by the beating heart, such as S1 and S2. Used in clinical contexts.

• 医い師しは聴ちょう診しん器きで心しん音おんを確かく認にんした。

  The doctor checked the heart sounds with a stethoscope.

• 正せい常じょうな心しん音おんは「ドックン」と聞きこえる。

  Normal heart sounds are heard as 'lub-dub'.