an abnormal sound of the heart; sometimes a sign of abnormal function of the heart valves
例句
用作名词 (n.)
Neurological findings in elderly hypertensie patients with asymmetrical pulses or cardiac murmur suggest dissection. 在中老年高血压患者，且脉搏不对称或有心脏杂音的患者中，其神经病学所见暗示可能有夹层存在。
A child with a small patent ductus arteriosus might not have any symptoms and your child's physician may have only noted the defect by hearing a heart murmur. 只有很细导管的儿童可能完全没有症状，医生只有听到心脏杂音才能发现疾病。
美
