The most common causes are aortic or pulmonic valve regurgitation.
最常见的原因是主动脉瓣或肺动脉瓣反流.
Moderate regurgitation was detected in pulmonic, tricuspid and mitral valves.
中度返流仅见于肺动脉瓣 、 尖瓣和二尖瓣.
33 8% of the patients were revealed to have lowered respiratory sound at the pulmonary base. Occasionally, fine moist rales accompanied by the accentuation of pulmonic second sound ( P 2) or the diastolic gallop rhythm.
23例(33.8%)患者肺底部呼吸音减低或少许细湿性口罗音伴有肺动脉第二音亢进或舒张期奔马律。
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