Results The CS and great cardiac vein (GCV) were visualized in all patients;middle cardiac vein (MCV) and 1-3 left posterior vein (LPV) were visualized in almost all patients.

• 结果所有患者均可见冠状静脉窦和心大静脉，绝大多数患者可见心中静脉及1-3支左室后静脉。