文档介绍：Tips&tricksofCoronaryangiography --caseorientedtechnicalreviewYu-JieZhou,MD,PhD,,FHRS,FSCAIAnZhenHospital,CapitalMedicalUniversity,Beijing,(Native&Grafts)(LeftCoronaryArtery,LCA)左前降支(LAD)对角支(Diagonal,D):从LAD发出1-3支至左室游离壁。约37%的心脏第1对角支由左主干上LAD和LCX之间发出,称中间支(IntermediatRamus,)。前间隔支(Septal,S):从LAD向室间隔垂直发出5-10支左回旋支(LCX):呈近乎直角从LAD发出,约10%的呈左优势型,此时LCX延伸至后降支(PosteriorDescending,PD)钝缘支(OM):从LCX发出1-3支。左房旋支:从LCX近侧端发出1-2支至左房冠状动脉的解剖及影像分析 左冠状动脉(LeftCoronaryArtery,LCA)圆锥支(ConusBranch,CB):右冠状动脉的第1分支。窦房结支(SinusBranch,SN):向右后上方走行锐缘支(AcuteMarginal,AM)后降支(PosteriorDescending,PDA):从RCA由后十字交叉处分出,沿后室间沟下行至心尖与LAD吻合。左室后侧支(Posterolateral,PL):为RCA越过后十字交叉后的延续,沿途发出数支分支Representationofcoronaryanatomy左冠状动脉(右前斜位,RAO)左冠状动脉中间支(IR)LM左图为右冠状动脉左前斜45,右图为左前斜30加头位30充分显示RCA、PD、::Inordertostraightenaverytortuouscoronarysegment,theimageintensifiershouldbemovedtoanangle90º+足位充分显示左主干、左主干与前降支及回旋支分叉、前降支近端、回旋支进中段