functional cardiac murmur

例句：

1. 1.He was diagnosed with a functional cardiac murmur, which could be a sign of heart disease.
   他被诊断出有功能性心脏杂音，这可能是心脏病的迹象。
2. 2. The patient's condition worsened after the functional cardiac murmur was identified.
   在确定了患者的功能性心脏杂音后，病情恶化了。
3. 3. Doctors often use echocardiography to diagnose and monitor patients with functional cardiac murmurs.
   医生经常使用超声心动图来诊断和监测患有功能性心脏杂音的患者。