三尖瓣缺如患者的肺动脉瓣过早开放。
Premature pulmonary valve opening in a patient with absent tricuspid valve.
作者信息
D'Cruz I A, Shah S N, Levinsky R, Goldbarg A
出版信息
Br Heart J. 1980 Dec;44(6):714-7. doi: 10.1136/hrt.44.6.714.
Abstract
Echocardiography (M-mode and cross-sectional) disclosed premature opening of the pulmonary valve (very deep "a" wave) in a young man who underwent tricuspid valvulectomy without valve replacement 32 months before for refractory bacterial endocarditis. Cardiac catheterisation showed a prominent atrial wave on the pulmonary artery pressure curve. Thus, part of the right ventricular ejection appeared to occur before the onset of ventricular systole, as a result of powerful right atrial contraction.
摘要
超声心动图（M型和横截面）显示，一名年轻男性的肺动脉瓣提前开放（“a”波极深）。该男性在32个月前因难治性细菌性心内膜炎接受了三尖瓣切除术，未进行瓣膜置换。心导管检查显示肺动脉压力曲线上有明显的心房波。因此，由于右心房强力收缩，部分右心室射血似乎在心室收缩开始之前就已发生。
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本文引用的文献
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Pulmonary valve echo motion in pulmonary regurgitation.肺动脉反流时肺动脉瓣的回声运动
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Premature pulmonary valve opening.肺动脉瓣过早开放。
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Tricuspid valve excision without replacement in a case of endocarditis secondary to drug abuse.药物滥用继发心内膜炎患者行三尖瓣切除未置换术
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