可能导致持续性杂音的其他病症有：瓦尔·萨尔瓦动脉瘤的窦破裂，近端冠状动脉狭窄，及肺动脉支狭窄。
Other conditions that may cause continuous murmurs include ruptured aneurysm of a sinus of Valsalva, proximal coronary artery stenosis, and pulmonary artery branch stenosis.
多数病例病损处可触到震颤，听诊有持续性收缩期加强的杂音。
Most cases damage can touch, auscultation have sustained systolic murmurs of strengthening.
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