Chaotic Musical Murmur in Aortic Regurgitation
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概要
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We report an interesting case of aortic regurgitation. Phonocardiographically, the shape of the diastolic musical murmur in this case changed in each cardiac cycle despite being in sinus rhythm, in the same posture and in the same breathing phase. Experimentally, we were able to obtain a similar noise pattern using an artificial respirator and a hemispherical silicone membrane. We concluded that the irregular and chaotic change in the shape of the diastolic musical murmur in the present case occurred due to irregular swaying of the non-coronary cusp under the influence of the Venturi effect owing to a regurgitant jet stream. (Jpn Circ J 1996; 60: 993 - 997)
- 社団法人 日本循環器学会の論文
社団法人 日本循環器学会 | 論文
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