LA -Left Atrium左心房RA -Right Atrium右心房LV -Left Ventricle左心室RV -RightVentricle右心室MitralValve二尖瓣A.Aorta-Ascending Aorta升主动脉D. Aorta-DescendingAorta降主动脉SVC –Superior Vena Cava上腔静脉IVC –Inferior Vena Cava下腔静脉PA -PulmonaryArtery肺动脉PV -Pulmonary Vein肺静脉LMA -Left Main Artery冠状动脉左主干LAD -Left AnteriorDescending Artery左前降支LCX -Left Circumflex Artery左回旋支LMB -Left Obtuse MarginalBranch 左边缘支（钝缘支）RCA -Right Coronary Artery 右冠状动脉PDA -Posterior DescendingArtery后降支ConusBranch右动脉圆锥支LAA –Left AtrialAppendage左心耳RAA –RightAtrialAppendage右心耳CS -Coronary Sinus冠状窦MCV –Middle Cardiac Vein心中静脉GCV–GreatCardiac Vein心大静脉PIVV –Posterior IntraventricularVein后室间静脉（心中静脉）PLVV –PosteriorLeft Ventricular Vein 左室后静脉PLV –Posterior Lateral Vein左室后侧静脉（边缘静脉）