Conclusions: The myocardial bridge is an anatomic structure with some functions, such as supporting and fixing aeteria coronaria, increasing arteriotony and raising blood supply of myocardium.

• 结论：心肌桥为一良性解剖结构，可能具有支持、固定冠状动脉，局部增大冠状动脉血压，提高心肌血供的“心肌瓣膜”作用。