心脏解剖与心脏电生理基础ppt课件.ppt

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1、心脏解剖与生理内容NormalBaroreflexBaroreflexFailureRestingquietlyExcitationFibrousSkeletonMitralValveApparatusTheBreastDuctDuctalCannulationAmicrocatheterisinserted~1.5cmintotheduct.1-2ccoflidocaineisinfusedthroughthecatheter.BloodflowoftheheartCoronaryCirculationLeftCoronaryArteryAnteriorDescendingArteryCir

2、cumflexArteryRightCoronaryArteryPosteriorDescendingArteryMarginalArteryVascularSystemArterialSystemarteriesarteriolescapillariesVenousSystemvenulesveinsIV.A.HeartCirculationIn/Out4ChambersTwoAtriaLeft/RightTwoVentriclesLeft/RightAseptumseparatesrightfromleft.IV.A.IntotheHeartSuperiorandInferiorVenaC

3、avaBloodentersRightAtriumTricuspidValveisopenBloodenterstheRightVentricle,AtriaContractIV.A.IntotheLungsExitstheheartthroughthePulmonarySemi-LunarValveVentriclesContractEntersPulmonaryTrunkIntoPulmonaryVeinstoLungsIV.A.ReturntoHeartFromLungsentersPulmonaryArteries.EntersHeartinLeftAtriumBicuspidisop

4、enBloodflowsintoLeftVentricleAtriacontractIV.A.IntotheBodyVentriclescontractBloodflowsthroughAorticSemi-LunarValve.BloodentersAscendingAortaAorticArchDescendingAortaIV.BVesselsintotheBodyFromAorticarch:BrachiocephalicArtery:toRightArm&HeadTohead:CommonCarotidArteryToArm:SubclavianArteryCommonCarotid

5、Artery:toLeftHeadSubclavianArtery:toLeftArmPulseinCommonCarotidInarmspulsetakeninRadialArteryIV.B.IntotheBodyDescendingAorta(ThoracicAorta):Toorgansinthethorax.DescendingAorta(AbdominalAorta):Toorgansintheabdomen.AortadividesintoCommonIliacRightandleftExternalIliacsfeedrightandleftlegs.Pulse:Femoral

6、ArteryandDorsalPedal.IV.B.FromtheBodyBloodreturnsthroughthesamenamedveins.AbdomenandlegsreturntoInferiorVenaCava.Arms:SubclavianVeinstoBrachiocephalicveins.Head:JugularVeinstoBrachiocephalic.BrachiocephalicsentertheSuperiorVenaCava.IV.B.Tospecificorgans1CommonCarotidA2JugularV3Subclavian4Brachioceph

7、alicA5BrachiocephalicV6AorticArchIV.B.Tospecificorgans7CoronaryA8CardiacV9SuperiorVenaCava10InferiorVenaCavaIV.B.Tospecificorgans12GastricA13Splenic14AbdominalAorta15HepaticPortalV16Mesenterics17Renal