冠狀動(dòng)脈CT成像課件

冠狀動(dòng)脈CT成像冠狀動(dòng)脈CT成像冠狀動(dòng)脈CT成像SinoatrialarteryAnteriorrightLeftcoronarya.atrialbranchofrightrya.CircumflexbranchofleftcoronaryaRightGreatcoronarycardiacvAnteriorAnteriorcardiacvinterventricularbranchofleftcardiacvcoronaryaRightmarginalbranchofrightcoronarya.SternocostalsurfaceSinoatrialaobli(superiorvenaofleftatriumcavabranch)GreatcadiacvSinoatrialCircumflexbranchofleftcoronarya.CoronarysinuscardiacyPosteriorleftventricularbranchRighterIorvPosteriorventricleinterventricularbranchofrightcoronarya.cardiacvRightmarginalbranchDiaphragmaticsurface冠狀動(dòng)脈CT成像冠狀動(dòng)脈CT成像冠狀動(dòng)脈CT成像1SinoatrialarteryAnteriorrightLeftcoronarya.atrialbranchofrightrya.CircumflexbranchofleftcoronaryaRightGreatcoronarycardiacvAnteriorAnteriorcardiacvinterventricularbranchofleftcardiacvcoronaryaRightmarginalbranchofrightcoronarya.SternocostalsurfaceSinoatrialartery2Sinoatrialaobli(superiorvenaofleftatriumcavabranch)GreatcadiacvSinoatrialCircumflexbranchofleftcoronarya.CoronarysinuscardiacyPosteriorleftventricularbranchRighterIorvPosteriorventricleinterventricularbranchofrightcoronarya.cardiacvRightmarginalbranchDiaphragmaticsurfaceSinoatriala3定義心臟的形狀如一倒置的、前后略扁的圓錐體,如將其視為頭部,則位于頭頂部、幾乎環(huán)繞心臟一周的冠狀動(dòng)脈恰似一頂王冠,這就是其名稱由來左右冠狀動(dòng)脈是升主動(dòng)脈的第一對分支。定義4前面觀后面觀前面觀5冠脈解剖及生理特點(diǎn)血管內(nèi)徑細(xì)(分支和遠(yuǎn)端血管直徑<3mm)走行遷曲,分支繁多血流速度快,相對血流量力附著心臟表面,隨心臟搏云冠脈解剖及生理特點(diǎn)6左冠狀動(dòng)脈左冠狀動(dòng)脈為一短千,發(fā)自左主動(dòng)脈竇,經(jīng)肺動(dòng)脈起始部和左心耳之間,沿冠狀溝向左前方行3~5mm后,立即分為前室間支(前降支)和旋支,二者之間常發(fā)出對角支,可為一或兩支。降支脈圓緋室間隔支左冠狀動(dòng)脈7前室間支(前降支):沿前室間溝下行,繞過心尖至心的膈面與右冠狀動(dòng)脈的后室間支(后降支)相吻合。沿途發(fā)出:(1)動(dòng)脈圓錐支,分布至動(dòng)脈圓錐;(2)左室前支,分布于左室前壁大部及前室間溝附近的右室前壁;(3)室間隔支,分布于室間隔前2/3。前降支脈圓錐支左室前支室間隔賣前室間支(前降支):沿前室間溝下行,繞過心尖至心的膈面與右冠8旋支:沿冠狀溝左行,發(fā)出左緣支分布于左室外側(cè)緣;至心后面時(shí)發(fā)出較小的分支分布至左房與左室。旋支左緣支旋支:沿冠狀溝左行,發(fā)出左緣支分布于左室外9右冠狀動(dòng)脈右冠狀動(dòng)脈起自右主動(dòng)脈竇,經(jīng)肺動(dòng)脈根部及右心耳之間,沿右冠狀溝行走,繞過心右緣,繼續(xù)在膈面的冠狀溝內(nèi)行走,在房室交點(diǎn)附近發(fā)出后降支,即后室間支。右冠狀動(dòng)脈右冠狀動(dòng)脈10冠狀動(dòng)脈CT成像課件11冠狀動(dòng)脈CT成像課件12冠狀動(dòng)脈CT成像課件13冠狀動(dòng)脈CT成像課件14冠狀動(dòng)脈CT成像課件15冠狀動(dòng)脈CT成像課件16冠狀動(dòng)脈CT成像課件17冠狀動(dòng)脈CT成像課件18冠狀動(dòng)脈CT成像課件19冠狀動(dòng)脈CT成像課件20冠狀動(dòng)脈CT成像課件21冠狀動(dòng)脈CT成像課件22冠狀動(dòng)脈CT成像課件23冠狀動(dòng)脈CT成像課件24冠狀動(dòng)脈CT成像課件25冠狀動(dòng)脈CT成像課件26冠狀動(dòng)脈CT成像課件27冠狀動(dòng)脈CT成像課件28冠狀動(dòng)脈CT成像課件29冠狀動(dòng)脈CT成像課件30冠狀動(dòng)脈CT成像課件31冠狀動(dòng)脈CT成像課件32冠狀動(dòng)脈CT成像課件33冠狀動(dòng)脈CT成像課件34冠狀動(dòng)脈CT成像課件35冠狀動(dòng)脈CT成像課件36冠狀動(dòng)脈CT成像課件37冠狀動(dòng)脈CT成像課件38冠狀動(dòng)脈CT成像課件39冠狀動(dòng)脈CT成像課件40冠狀動(dòng)脈CT成像課件41冠狀動(dòng)脈CT成像課件42冠狀動(dòng)脈CT成像課件43冠狀動(dòng)脈CT成像課件44冠狀動(dòng)脈CT成像課件45冠狀動(dòng)脈CT成像課件46冠狀動(dòng)脈CT成像課件47冠狀動(dòng)脈CT成像課件48冠狀動(dòng)脈CT成像課件49冠狀動(dòng)脈CT成像課件50冠狀動(dòng)脈CT成像課件51冠狀動(dòng)脈CT成像課件52冠狀動(dòng)脈CT成像課件53冠狀動(dòng)脈CT成像課件54冠狀動(dòng)脈CT成像課件55冠狀動(dòng)脈CT成像課件56冠狀動(dòng)脈CT成像課件57冠狀動(dòng)脈CT成像課件58冠狀動(dòng)脈CT成像課件59冠狀動(dòng)脈CT成像課件60冠狀動(dòng)脈CT成像課件61冠狀動(dòng)脈CT成像課件62冠狀動(dòng)脈CT成像課件63冠狀動(dòng)脈CT成像課件64冠狀動(dòng)脈CT成像課件65冠狀動(dòng)脈CT成像課件66冠狀動(dòng)脈CT成像課件67冠狀動(dòng)脈CT成像課件68冠狀動(dòng)脈CT成像課件69冠狀動(dòng)脈CT成像課件70冠狀動(dòng)脈CT成像課件71冠狀動(dòng)脈CT成像冠狀動(dòng)脈CT成像冠狀動(dòng)脈CT成像SinoatrialarteryAnteriorrightLeftcoronarya.atrialbranchofrightrya.CircumflexbranchofleftcoronaryaRightGreatcoronarycardiacvAnteriorAnteriorcardiacvinterventricularbranchofleftcardiacvcoronaryaRightmarginalbranchofrightcoronarya.SternocostalsurfaceSinoatrialaobli(superiorvenaofleftatriumcavabranch)GreatcadiacvSinoatrialCircumflexbranchofleftcoronarya.CoronarysinuscardiacyPosteriorleftventricularbranchRighterIorvPosteriorventricleinterventricularbranchofrightcoronarya.cardiacvRightmarginalbranchDiaphragmaticsurface冠狀動(dòng)脈CT成像冠狀動(dòng)脈CT成像冠狀動(dòng)脈CT成像72SinoatrialarteryAnteriorrightLeftcoronarya.atrialbranchofrightrya.CircumflexbranchofleftcoronaryaRightGreatcoronarycardiacvAnteriorAnteriorcardiacvinterventricularbranchofleftcardiacvcoronaryaRightmarginalbranchofrightcoronarya.SternocostalsurfaceSinoatrialartery73Sinoatrialaobli(superiorvenaofleftatriumcavabranch)GreatcadiacvSinoatrialCircumflexbranchofleftcoronarya.CoronarysinuscardiacyPosteriorleftventricularbranchRighterIorvPosteriorventricleinterventricularbranchofrightcoronarya.cardiacvRightmarginalbranchDiaphragmaticsurfaceSinoatriala74定義心臟的形狀如一倒置的、前后略扁的圓錐體,如將其視為頭部,則位于頭頂部、幾乎環(huán)繞心臟一周的冠狀動(dòng)脈恰似一頂王冠,這就是其名稱由來左右冠狀動(dòng)脈是升主動(dòng)脈的第一對分支。定義75前面觀后面觀前面觀76冠脈解剖及生理特點(diǎn)血管內(nèi)徑細(xì)(分支和遠(yuǎn)端血管直徑<3mm)走行遷曲,分支繁多血流速度快,相對血流量力附著心臟表面,隨心臟搏云冠脈解剖及生理特點(diǎn)77左冠狀動(dòng)脈左冠狀動(dòng)脈為一短千,發(fā)自左主動(dòng)脈竇,經(jīng)肺動(dòng)脈起始部和左心耳之間,沿冠狀溝向左前方行3~5mm后,立即分為前室間支(前降支)和旋支,二者之間常發(fā)出對角支,可為一或兩支。降支脈圓緋室間隔支左冠狀動(dòng)脈78前室間支(前降支):沿前室間溝下行,繞過心尖至心的膈面與右冠狀動(dòng)脈的后室間支(后降支)相吻合。沿途發(fā)出:(1)動(dòng)脈圓錐支,分布至動(dòng)脈圓錐;(2)左室前支,分布于左室前壁大部及前室間溝附近的右室前壁;(3)室間隔支,分布于室間隔前2/3。前降支脈圓錐支左室前支室間隔賣前室間支(前降支):沿前室間溝下行,繞過心尖至心的膈面與右冠79旋支:沿冠狀溝左行,發(fā)出左緣支分布于左室外側(cè)緣;至心后面時(shí)發(fā)出較小的分支分布至左房與左室。旋支左緣支旋支:沿冠狀溝左行,發(fā)出左緣支分布于左室外80右冠狀動(dòng)脈右冠狀動(dòng)脈起自右主動(dòng)脈竇,經(jīng)肺動(dòng)脈根部及右心耳之間,沿右冠狀溝行走,繞過心右緣,繼續(xù)在膈面的冠狀溝內(nèi)行走,在房室交點(diǎn)附近發(fā)出后降支,即后室間支。右冠狀動(dòng)脈右冠狀動(dòng)脈81冠狀動(dòng)脈CT成像課件82冠狀動(dòng)脈CT成像課件83冠狀動(dòng)脈CT成像課件84冠狀動(dòng)脈CT成像課件85冠狀動(dòng)脈CT成像課件86冠狀動(dòng)脈CT成像課件87冠狀動(dòng)脈CT成像課件88冠狀動(dòng)脈CT成像課件89冠狀動(dòng)脈CT成像課件90冠狀動(dòng)脈CT成像課件91冠狀動(dòng)脈CT成像課件92冠狀動(dòng)脈CT成像課件93冠狀動(dòng)脈CT成像課件94冠狀動(dòng)脈CT成像課件95冠狀動(dòng)脈CT成像課件96冠狀動(dòng)脈CT成像課件97冠狀動(dòng)脈CT成像課件98冠狀動(dòng)脈CT成像課件99冠狀動(dòng)脈CT成像課件100冠狀動(dòng)脈CT成像課件101冠狀動(dòng)脈CT成像課件102冠狀動(dòng)脈CT成像課件103冠狀動(dòng)脈CT成像課件104冠狀動(dòng)脈CT成像課件105冠狀動(dòng)脈CT成像課件106冠狀動(dòng)脈CT成像課件107冠狀動(dòng)脈CT成像課件108冠狀動(dòng)脈CT成像課件109冠狀動(dòng)脈CT成像課件110冠狀動(dòng)脈CT成像課件111冠狀動(dòng)脈CT成像課件112冠狀動(dòng)脈CT成像課件113冠狀動(dòng)脈CT成像課件114冠狀動(dòng)脈CT成像課件115冠狀動(dòng)脈CT成像課件116冠狀動(dòng)脈CT成像課件117冠狀動(dòng)脈CT成像課件118冠狀動(dòng)脈CT成像課件119冠狀動(dòng)脈CT成像課件120冠狀動(dòng)脈CT成像課件121冠狀動(dòng)脈CT成像課件122冠狀動(dòng)脈CT成像課件123冠