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。
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Another possibility is an anomalous pulmonary venous return with a supracardiac connection or increased circulation of the brain, as found in a vein of Galen aneurysm.