9.Other conditions that may cause continuous murmurs include ruptured aneurysm of a sinus of Valsalva, proximal coronary artery stenosis, and pulmonary artery branch stenosis.

• 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。