| 单词 | heart sound |
| 释义 | > as lemmasheart sound heart sound n. Medicine a sound heard during auscultation of the heart; esp. either of the two sounds made by the closing of the heart valves. ΚΠ 1830 London Med. Gaz. 13 Nov. 196/2 On holding the apparatus firmly against a table, and applying the stethoscope to a distant part of it, the heart sound was closely imitated. 1876 Clin. Soc. Trans. 9 111 Heart-sounds were clean and free from murmur. 1922 A.S.T.A. Jrnl. Nov. 35 During the latter months of pregnancy it is not infrequent..to find two points where the foetal heart sounds are distinctly transmitted with equal intensity. 1989 European Jrnl. Obstetr., Gynecol. & Reprod. Biol. 33 241 The characteristic metallic heart sound caused by the intracardiac presence of free carbon dioxide. 2009 Daily News (S. Afr.) (Nexis) 28 Apr. 3 He said that when paramedics arrived at the hospital, they could not detect any foetal heart sounds, and presumed the unborn baby had died. < as lemmas |
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