全英文心衰PPT.ppt

1、 Heart failureWhat Is Heart Failure?LesspumpingpowerSlowerflowrateofbloodHigherpressureofchamberTheheartcantprovidebodyenoughbloodCausesCoronaryarterydiseaseWhat causes heart failureCoronaryarterydiseaseHeartattackCardio-myopathyOver-burdenedCardiachypertrophyCompliancedecreaseCompensa-tion reaction

2、Frank-StarlingmechanismCompensatorymechanismofNeurohumorCompensation reactionTypes Of Heart FailureTypes Of Heart FailureSystolicdysfunctionWhentheheartmuscledoesntcontractwithenoughforce,thereislessoxygen-richbloodthatispumpedthroughoutthebodyDiastolicdysfunctionTheheartcontractsnormally,butthevent

3、ricle-themainpumpingchamber-doesnotrelaxproperly,reducingtheamountofbloodthatcanentertheheartandraisingbloodpressureinthelungs.AHA/ACC GuidelinesAHA/ACC Guidelines StageAAthighriskforHFbutwithoutstructuralheartdiseaseorsymptomsofHFStageBStructuralheartdiseasebutwithoutsignsorsymptomsofHFStageCStruct

4、uralheartdiseasewithpriororcurrentsymptomsofHFStageDRefractoryHFrequiringspecializedinterven-tionsStages of Heart FailureStages of Heart Failure ClassINolimitationduringordinaryactivity ClassIISlightlimitationbyshortnessofbreathfatigueduringmoderateexertionorstressClassIIISymptomswithminimalexertion

5、thatinterferewithnormaldailyactivityClassIVInabilitytocarryoutanyphysicalactivity SymptomsSymptomsSymtomsCongestedlungsFluidandwaterretentionDizzinessfatigueweaknessRapidorirregularheartbeatsDiagnosisDiagnosisDiagnosisMedical historySymptomsPhysical examsAssistant examina-tionHeartfailure Diabeteski

6、dneydiseaseanginahighbloodpressureheartproblemsSmoke DrinkalcoholandhowmuchyoudrinkmedicationsMedical historyAssitantExaminationsBloodtestsBNPChestX-rayEchocardiogramEFEKGStresstestCardiaccatheterizationcoronaryangiogramCardiacMRIAssistant ExaminationsBNPBNPisasubstancesecretedfromtheheartinresponse

7、tochangesinpressurethatoccurwhenheartfailuredevelopsandworsens.ThelevelofBNPinthebloodincreaseswhenheartfailuresymptomsworsen,anddecreaseswhentheheartfailureconditionisstable.TheBNPlevelinapersonwithheartfailure-evensomeonewhoseconditionisstable-ishigherthaninapersonwithnormalheartfunction.EFAnormal

8、EFisgenerallybetween55%and75%,whichmeansthatoverhalfofthebloodvolumeispumpedoutoftheheartwitheachbeat.HeartfailuremayoccurastheresultofalowEF(calledsystolicheartfailure),orfromanothercause,suchasavalvedisorderorfromdiastolicdysfunction.PeoplewithdiastolicdysfunctioncanhaveanormalEF.TreatmentAdd Your

9、 TextGoodlifestylereasonabledietaryhabitMedicationsSurgicalproceduresTopreventyourheartfailurefromworseningCommon types of drugs used to treat heart failure include:Angiotensinconvertingenzyme(ACE)inhibitorsAngiotensinIIreceptorblockers(ARBs)Beta-blockersDigoxinDiureticsBloodvesseldilatorsPotassiumormagnesiumAldactoneInhibitorsCalciumchannelblockersHeartpumpmedicationMedicationSurgical Procedures添加标题 Hearttrans-plantBypasssurgeryHeartvalvesurgeryLeftventricularassistdeviceInfarctexclusionsurgerySurgeryisaimedatstoppingfurtherdamagetotheheartandimprovingtheheartsfunction