心臟康復評定演示文稿

心臟康復評定演示文稿當前第1頁\共有91頁\編于星期四\0點優(yōu)選心臟康復評定當前第2頁\共有91頁\編于星期四\0點APATIENTCASEEXAMPLE當前第3頁\共有91頁\編于星期四\0點1.Whyareyouheretoday?2.Haveyoubeendiagnosedwithacardiacdisorderinthepast?3.Haveyouhadanyspecialteststoexamineyourheartlikeanelectrocardiogram,stresstest,echocardiogram,orcardiaccatheterization?當前第4頁\共有91頁\編于星期四\0點4.Doyouexperienceanginaorshortnessofbreathatrest,onlywithactivity/exercise,orbothatrestandwithactivity/exercise?當前第5頁\共有91頁\編于星期四\0點5.Ifyouexperienceanginaorbecomeshortofbreathduringactivityorexercisecouldyoupleasedescribethetypeofactivityorexercisewhichproducesyouranginaorshortnessofbreath?當前第6頁\共有91頁\編于星期四\0點6.Canyoudescribeyouranginaorshortnessofbreath?Canyouhelpmeunderstandyouranginaorshortnessofbreathbypointingtothenumbers1through4todescribethelevelofanginayouexperienceatrestandexerciseorbypointingtoyourlevelofshortnessofbreathusingthis10-pointscaleorbymarkingthisvisualanalogscale?當前第7頁\共有91頁\編于星期四\0點7.CouldIfeelyourpulsetodetermineyourheartrateandthestrengthofyourpulse?8.CouldIplacethisfingerprobeonyourindexfingertoobtainanoxygensaturationmeasurement?當前第8頁\共有91頁\編于星期四\0點9.CouldIplacetheseelectrodesonyourchesttoobtainasimplesingle-leadelectrocardiogram(ECG)?當前第9頁\共有91頁\編于星期四\0點10.CouldItakeyourbloodpressurewhileyouareseatedandthencompareittothebloodpressurewhileyouarelyingdownandthenstanding?Iwouldalsoliketoobserveyourpulse,oxygensaturation,ECG,andsymptomswhenyouarelyingdownandstanding.當前第10頁\共有91頁\編于星期四\0點11.CouldIlistentoyourheartandlungswithmystethoscope?WhileIdothisIwillconcentrateonwatchingyourECGsothatIcanidentifyyourheartsoundsandanychangesintheECGwhileyouarebreathingdeeplywhenlisteningtoyourlungs.當前第11頁\共有91頁\編于星期四\0點12.CouldIplace1ofmyhandsonyourstomachand1handonyourupperchesttodeterminehowyoubreathe?13.CouldIplacemyhandsonthelowermostribsoneachsideofyourchesttodeterminehowyoubreathe?14.CouldIplacemyhandsonyourbacktodeterminehowyoubreathe?15.CouldIwrapmytapemeasurearoundyourchestatseveraldifferentsitestodeterminehowyoubreathe?當前第12頁\共有91頁\編于星期四\0點16.NowthatIunderstandsomeverybasicinformationaboutthemannerinwhichyoubreathecouldyoupleasebreatheinthemannerIinstructyouviasoundsImake,pressurefrommyhands,methodsIshowtoyou,ordifferentbodypositions?IwilloccasionallyplacemyhandsonyourchestandwrapmytapemeasurearoundyourchesttodeterminehowyoubreatheduringthesesimpletestsandIwillaskyoutoidentifyyourlevelofshortnessofbreathusingthe10-pointscaleorvisualanalogscale—Isthisokwithyou?當前第13頁\共有91頁\編于星期四\0點17.CouldImeasurethestrengthofyourbreathingmusclebyhavingyouplacethismouthpieceinyourmouthandbreatheinandoutasdeeplyandasforcefullyasyouareable?當前第14頁\共有91頁\編于星期四\0點18.Iwouldlikeyoutonowperformtheactivityorexercisewhichproducesyouranginaorshortnessofbreath.Couldyoupleasedothisnow?當前第15頁\共有91頁\編于星期四\0點Thankyouforgivingmethechancetoexamineyoutoday.Iwillcallyourphysiciantogetsomemoreinformationaboutyoulikeelectrocardiogram,echocardiogramandpulmonaryfunctionteststhatyousaidwereperformedlastweekaswellasthearterialbloodgasresults,chestX-ray,andexercisetestresults.當前第16頁\共有91頁\編于星期四\0點PhysicalTherapyExaminationMedicalInformationandRiskFactorAnalysis

listeningtothepatientspasthistoryandprimarycomplaintsiscriticalintheexaminationprocess.

當前第17頁\共有91頁\編于星期四\0點ExaminationsofPatientAppearancecategorizedbyspecificsignsandsymptoms當前第18頁\共有91頁\編于星期四\0點Angina-MethodsToEvaluateAnginafromNonanginalPainIfasuspectedanginalpainchanges(increasesordecreases)withbreathing,palpationinthepainfularea,ormovementofajoint(ie,shoulderflexionandabduction)itisverylikelythatthepainisNOTangina.當前第19頁\共有91頁\編于星期四\0點Angina-MethodsToEvaluateAnginafromNonanginalPainitcanbeworsenedbyphysicalexerciseoractivity.Therefore,ifthesuspectedanginalpainisunchangedwiththepreviouslycitedmaneuversandthepainoccurredwithexertion,itisSUSPECTforangina.Ifthesuspectedanginalpainisunchangedbythesemaneuvers,ifthepainoccurredwithexertion,andifthepaindecreasesorsubsideswithrest,itisverylikelythatthepainISangina.Finally,ifthesuspectedpaindecreasesorsubsideswithnitroglycerin,itisevenmorelikelythatthepainISangina.當前第20頁\共有91頁\編于星期四\0點當前第21頁\共有91頁\編于星期四\0點"Other"SymptomsofHeartDiseasedyspneaFatigueDizzinessLightheadednessPalpitationsasenseofimpendingdoom當前第22頁\共有91頁\編于星期四\0點當前第23頁\共有91頁\編于星期四\0點ExaminationsofPatientAppearanceskincoloroftheperipheralextremities.Paleorcyanoticskininthelegs,feet,arms,andfingersisassociatedwithpoorcardiovascularfunction.當前第24頁\共有91頁\編于星期四\0點ExaminationsofPatientAppearanceDiagonalearlobecrease.Thisphenomenonhasbeeninvestigatedformanyyearsandrecentlywasonceagainfoundtobehighlypredictiveofheartdisease當前第25頁\共有91頁\編于星期四\0點AnthropometricmeasurementsbodyweightfingerpressureonanedematousareaGirthmeasurementsskin-foldcalipermeasurementscalculationofthebodymassindexmeasurethepercentageofbodyfatandleanmusclemass當前第26頁\共有91頁\編于星期四\0點Jugularvenousdistensionitisoftenduetoright-sidedheartfailure.當前第27頁\共有91頁\編于星期四\0點當前第28頁\共有91頁\編于星期四\0點當前第29頁\共有91頁\編于星期四\0點PalpationoftheRadialPulsePalpationoftheradialpulsecanprovideimportantinformationaboutthestatusofthecardiovascularsystem.MeasurementoftheSystolicBloodPressureandPulseDuringBreathingandSimplePerturbationsoftheBreathingCycle當前第30頁\共有91頁\編于星期四\0點MeasurementoftheSystolicandDiastolicBloodPressureandPulseinDifferentBodyPositions當前第31頁\共有91頁\編于星期四\0點

ToDeterminetheStatusoftheCardiovascularSystem

observationofadecreaseinsystolicanddiastolicbloodpressurewithoutasubsequentincreaseinheartratewhenchangingbodypositionfromsupinetostandingisconsideredapositivesignforautonomicnervoussystemdysfunction..當前第32頁\共有91頁\編于星期四\0點ToDeterminethe

HealthoftheCardiovascularSystemAcardiovascularsystemthatrespondsrapidlytobodypositionchangeislikelyinabetterstateofhealththanacardiovascularsystemthatrespondssluggishly.Bothanunchangedordecreasedheartrateafterstandingfor30seconds(comparedtotheheartrateat15seconds)issuggestiveofautonomicdysfunction.當前第33頁\共有91頁\編于星期四\0點asluggishorhypoadaptive(lessthannormal)heartrateandbloodpressureresponseduringachangeinbodypositionsupinetostandingshouldbeconsideredabnormalandsuggestiveofanunhealthycardiovascularsystem.當前第34頁\共有91頁\編于星期四\0點amoreadaptiverapidincreaseinheartrateandbloodpressureaftermovingfromasupinetostandingposition(approximately30seconds)islikelyassociatedwithahealthiercardiovascularsystem當前第35頁\共有91頁\編于星期四\0點ExaminationofthePulseandArterialBloodPressure

DuringFunctionalTasksandExerciseFrequentmonitoringoftheheartrateandbloodpressuremaybethebestwaytoexaminethesafetyofexerciseandhelptoestablishguidelinesandproceduresforfunctionalorexercisetraining.當前第36頁\共有91頁\編于星期四\0點anincreaseinthediastolicbloodpressurewhenthediastolicbloodpressureshouldbedecreased(orlow)isastrongindicatorofcardiovasculardysfunction..當前第37頁\共有91頁\編于星期四\0點PotentialindirectmeasuresofcardiacfunctionSymptomsandfunctionalclassificationCold,pale,andpossiblycyanoticextremitiesJugularvenousdistensionandperipheraledemaHeartsoundsPulseElectrocardiographyBloodpressure當前第38頁\共有91頁\編于星期四\0點StandardmeasurementofcardiacfunctionCardiaccatheterizationEchocardiographySwan-GanscatheterizationCentralvenouspressureCardiacenzymesANPandBNPRadiologicevidence當前第39頁\共有91頁\編于星期四\0點ExerciseTesting當前第40頁\共有91頁\編于星期四\0點IndicationsforExerciseTesting:DiagnosisofCoronaryArteryDiseaseAssessmentofPrognosisinCoronaryArteryDiseaseEvaluationofFunctionalCapacityEvaluationofTherapyforCoronaryDiseaseDeterminationofExercisePrescription當前第41頁\共有91頁\編于星期四\0點AbsoluteContraindicationstoExerciseTestingAcuteMI(within2days)High-riskunstableanginaUncontrolledcardiacarrhythmiasActiveEndocarditisSevereaorticstenosisDecompensatedheartfailureAcutepulmonaryembolusorinfarction,DVTAcutenoncardiacdisorderaffectingoraggravatedbyexerciseAcutemyocarditis,pericarditisPhysicaldisabilityprecludessafeandadequatetestInabilitytoobtainconsent當前第42頁\共有91頁\編于星期四\0點RelativeContraindicationstoExerciseTestingLeftmaincoronarystenosisorequivalentModerateaorticvalvularstenosis(?)ElectrolytedisorderTachyarrhythmiasorBradyarrhythmiasAtrialfibrillationwithuncontrolledventricularresponseHypertrophicCardiomyopathy(?gradient)MentalimpairmentleadingtoinabilitytocooperateHigh-degreeAVblock當前第43頁\共有91頁\編于星期四\0點ECGLeadPlacementfor

ExerciseTesting當前第44頁\共有91頁\編于星期四\0點ProtocolsforExerciseTesting當前第45頁\共有91頁\編于星期四\0點BloodPressureResponses:

ExerciseTestingDependencyoncardiacoutputandperipheralresistanceNormalresponses:IncreaseinSBP(>20-30mmHg)NochangeorfallinDBPInadequateriseinSBP:Myocardialischemia,severeLVsystolicdysfunction,aorticorLVOTobstruction,drugtherapy(?-blockers)Exercise-InducedHypotension(>10mmHgbelowbaseline)Severemyocardialischemia(50%positivepredictivevalueforleftmainor3-vesseldisease),valvularheartdisease,cardiomyopathynoevidenceofclinicallysignificantheartdisease(dehydration,antihypertensivetherapy,prolongedstrenuousexercise)當前第46頁\共有91頁\編于星期四\0點HeartRateResponsetoExerciseTestingAcceleratedHeartRateResponse:Deconditioning,prolongedbedrest,anemia,metabolicdisorders,conditionsassociatedwithdecreasedbloodvolumeorlowsystemicvascularresistance,autonomicinsufficencyChronotropicincompetence:Inadequateexerciseeffort,drugtherapy(?-blockers),PrognosticSignificance:(PeakHR-RestingHR)/(220-age-RestingHR)<0.80(Lauer,1999)PeakHR<130bpm(Ellestad)當前第47頁\共有91頁\編于星期四\0點EvaluationofExerciseEffortduringExerciseTesting:TheBorgPerceivedExertionScale當前第48頁\共有91頁\編于星期四\0點ExerciseCapacity-ExerciseTestingMETcapacity1MET=3.5ml/kg/minO2consumptionFunctionalAerobicImpairment(FAI) (BruceProtocolspecific)PredictedMETlevel(nomograms)PredictedVO2(ACSMformulae)PracticalAspects:LackofassociationbetweenLVEFandexercisecapacityPrognosticvalueofdecreasedexercisecapacityandactiveCADPredictorofpatient’sdisability當前第49頁\共有91頁\編于星期四\0點ExerciseTesting-ComplicationsMIordeath:Upto10per10,000tests(1per2,500)Lifethreateningventriculararrhythmias:0-5per100,000Cardiac:Bradyarrhythmias,tachyarrhythmias,acutecoronarysyndromes,heartfailure,hypotension,syncope,deathNoncardiac:Musculoskeletaltrauma,soft-tissueinjuryMiscellaneous:Severefatigue,dizziness,myalgias當前第50頁\共有91頁\編于星期四\0點AbsoluteIndicationsforTerminationofExerciseTestST-segmentelevation(>1.0mm)inleadswithoutQ-waves(otherthanV1oraVR)Dropinsystolicbloodpressure>10mmHg(persistentlybelowbaseline)despiteanincreaseinworkload,whenaccompaniedbyanyotherevidenceofischemiaModeratetosevereangina(grades3-4)Centralnervoussystemsymptoms(ataxia,dizziness,nearsyncope)Signsofpoorperfusion(cyanosisorpallor)SustainedventriculartachycardiaTechnicaldifficultiesmonitoringtheECGorsystolicBPPatient’srequesttostop當前第51頁\共有91頁\編于星期四\0點RelativeIndicationsforTerminationofanExerciseTestSTchanges(horizontalordownsloping>2mm)ormarkedaxisshiftDropinsystolicbloodpressure>10mmHg(persistentlybelowbaseline)despiteanincreaseinworkload,intheabsenceofotherevidenceofischemiaandnopresyncopalsymptomsIncreasingchestpainFatigue,shortnessofbreath,wheezing,legcramps,orclaudicationHypertensiveresponse(SBP>250mmHgand/orDBP>115mmHg)Developmentofbundle-branchblock(LBBB)thatcannotbedistinguishedfromventriculartachycardia;?EvidenceofanteriorischemiaArrhythmiasotherthansustainedventriculartachycardia(frequentmultifocalPVC’s,ventriculartriplets,SVT,heartblock,orbradyarrhythmias)GeneralAppearance(diaphoresis,peripheralcyanosis)當前第52頁\共有91頁\編于星期四\0點CriteriaforReadingST-SegmentChangesontheExerciseECGSTDEPRESSION:Measurementsmadeon3consecutiveECGcomplexes!STlevelismeasuredrelativetotheP-Qjunction3keymeasurements(P-Qjunction,J-point,60-80msecafterJ-point-use60msecforHR>130bpmWhenJ-pointisdepressedrelativetoP-Qjunctionatbaseline:NetdifferencefromtheJjunctiondeterminestheamountofdeviationWhentheJ-pointiselevatedrelativetoP-Qjunctionatbaselineandbecomesdepressedwithexercise:MagnitudeofSTdepressionisdeterminedfromtheP-QjunctionandnottherestingJpoint當前第53頁\共有91頁\編于星期四\0點CriteriaforReadingST-SegmentChangesontheExerciseECGSTELEVATION:60msecafterJpointin3consecutiveECGcomplexes當前第54頁\共有91頁\編于星期四\0點CriteriaforAbnormalandBorderlineST-SegmentDepressionontheExerciseECGABNORMAL:1.0mmorgreaterhorizontalordownslopingSTdepressionat60msecafterJpointon3consecutiveECGcomplexesBORDERLINE:0.5to1.0mmhorizontalordownslopingSTdepressionat60msecafterJpointon3consecutiveECGcomplexes2.0mmorgreaterupslopingSTdepressionat60msecafterJpointon3consecutiveECGcomplexes當前第55頁\共有91頁\編于星期四\0點MorphologyofST-SegmentDeviation

duringExerciseTesting當前第56頁\共有91頁\編于星期四\0點ValueofRight-SidedECGLeadsduringExerciseTestingfortheDiagnosisofCAD當前第57頁\共有91頁\編于星期四\0點HorizontalST-segmentDepressionduringExerciseTesting當前第58頁\共有91頁\編于星期四\0點DownslopingST-SegmentDepressionduringExerciseTesting當前第59頁\共有91頁\編于星期四\0點ST-SegmentDepressioninEarlyRecoveryPeriodafterExerciseTesting當前第60頁\共有91頁\編于星期四\0點UpslopingST-SegmentDepressionduringExerciseTesting當前第61頁\共有91頁\編于星期四\0點MorphologyofST-SegmentDepressionPredictsSeverityofCoronaryArteryDisease

(Goldschlager,1976)當前第62頁\共有91頁\編于星期四\0點Exercise-InducedST-SegmentElevationwithPriorAnteriorMyocardialInfarction當前第63頁\共有91頁\編于星期四\0點Exercise-InducedST-SegmentElevationintheSettingofPriorInferolateralMI當前第64頁\共有91頁\編于星期四\0點Exercise-InducedAnteriorST-SegmentElevationasReflectionofLADIschemia當前第65頁\共有91頁\編于星期四\0點Indicationsfor

ExerciseTestingintheDiagnosisofObstructiveCoronaryDiseaseCLASSI:Adultpatients(includingthosewithRBBBorlessthan1mmorrestingST-depression)withanintermediatepretestprobabilityofCAD,basedongender,age,andsymptomsCLASSIIa:PatientswithvasospasticanginaCLASSIIb:PatientswithahighpretestprobabilityofCADbyage,symptoms,andgenderPatientswithalowpretestprobabilityofCADbyage,symptoms,andgenderPatientswithlessthan1mmofbaselineSTdepressionandtakingdigoxinPatientswithECGcriteriaofLVHandlessthan1mmSt-depression當前第66頁\共有91頁\編于星期四\0點Pre-testProbabilityofCAD

byAge,Gender,andSymptomsTypical/DefiniteAnginaPectorisAge30-39 Men Intermediate(10-90%)Women IntermediateAge40-49 Men High(>90%)Women IntermediateAge50-59 Men HighWomen IntermediateAge60-69Men HighWomen High當前第67頁\共有91頁\編于星期四\0點Pre-testProbabilityofCAD

byAge,Gender,andSymptomsAtypical/PossibleAnginaPectoris:Age30-39Men Intermediate Women VeryLow(<5%)Age40-49 Men Intermediate Women Low(<10%)Age50-50 Men Intermediate Women IntermediateAge60-69 Men Intermediate Women Intermediate當前第68頁\共有91頁\編于星期四\0點Pre-testProbabilityofCAD

byAge,Gender,andSymptomsNonanginalChestPain:Age30-39 Men Low Women VeryLowAge40-49 Men Intermediate Women VeryLowAge50-59 Men Intermediate Women LowAge60-69 Men Intermediate Women Intermediate

當前第69頁\共有91頁\編于星期四\0點Pre-testProbabilityofCAD

byAge,Gender,andSymptomsAsymptomatic:Age30-39Men VeryLow Women VeryLowAge40-49Men Low Women VeryLowAge50-59Men Low Women VeryLowAge60-69Men Low Women Low當前第70頁\共有91頁\編于星期四\0點Indicationsfor

ExerciseTestingintheDiagnosisofObstructiveCoronaryDiseaseClassIII:PatientswiththefollowingECGabnormalities:WPWsyndrome,electronicallypacedventricularrhythm,greaterthan1mmrestingST-depression,completeLBBBPatientswithadocumentedMIorpriorcoronaryangiographydemonstratingsignificantCADhaveanestablisheddiagnosis(?ischemia,prognosis)當前第71頁\共有91頁\編于星期四\0點ExerciseTesting;SensitivityandSpecificityfortheDiagnosisofCADSensitivity=[Truepositives/truepositives+falsenegatives]x100Specificity=[Truenegatives/falsepositives+truenegatives]x100StandardExerciseTest(mostlymen)*Sensitivity=68% Specificity=77%PredictiveAccuracy=73%*Basedon1.0mmST-segmentdepression當前第72頁\共有91頁\編于星期四\0點ExerciseTestingintheDiagnosisofCoronaryArteryDiseaseinWomenECGAnalysisalone:Sensitivity: 46-79%Specificity: 48-86%UseofDukePrognosticScore:LowRiskscore:19.1%CAD>75%stenosis, 3.5%3-vesselorleftmaindiseaseIntermediateRiskscore:34.9%CAD>75%stenosis,12.4%3-vesselorleftmaindiseaseHighRiskScore:89.2%CAD>75%stenosis,46%3-vesselorleftmaindisease當前第73頁\共有91頁\編于星期四\0點RiskAssessmentandPrognosiswithExerciseTestinginPatientswithSymptomsandPriorHistoryofCADClassI:PatientundergoinginitialevaluationwithsuspectedorknownCADincludingthosewithcompleteRBBBandlessthan1mmofrestingECG(exceptions-ClassIIb)PatientswithsuspectedorknowCADpreviouslyevaluated,nowpresentingwithsignificantchangeinclinicalstatusLow-riskacutecoronarysyndromepatients8-12hoursafterpresentationwhohavebeenfreeofactiveischemiaorheartfailuresymptoms(LevelofEvidence=B)Intermediate-riskacutecoronarysyndromepatients2-3daysafterpresentationwhohavebeenfreeofactiveischemiaorheartfailuresymptoms(LevelofEvidence=B)當前第74頁\共有91頁\編于星期四\0點RiskAssessmentandPrognosiswithExerciseTestinginPatientswithSymptomsandPriorHistoryofCADClassIIa:Intermediate-riskacutecoronarysyndromepatientswhohaveinitialcardiacmarkersthatarenormal,arepeatECGwithoutsignificantchange,andcardiacmarkers6-12hoursaftertheonsetofsymptomsthatarenormalandnootherevidenceofischemiabyobservation(LevelofEvidence=B)ClassIIb:PatientswiththefollowingECGabnormalities:WPWsyndrome,electronicallypacedventricularrhythm,1mmormoreofrestingST-depression,completeLBBBorIVCDwithaQRSduration>120msecPatientswithastableclinicalcoursewhoundergoperiodicmonitoringtoguidetreatment當前第75頁\共有91頁\編于星期四\0點RiskAssessmentandPrognosiswithExerciseTestinginPatientswithSymptomsandPriorHistoryofCADClassIII:Patientswithsevereco-morbiditylikelytolimitlifeexpectancyand/orcandidacyforrevascularizationHigh-riskacutecoronarysyndromepatients(LevelofEvidence=c)當前第76頁\共有91頁\編于星期四\0點Short-termRiskAssessmentforDeathorNonfatalMIinPatientswithAcuteCoronarySyndrome

HIGHRISK(atleastoneofthefollowingfeatures):CharacterofPain: Prolongedongoing(>20min)restchestpainClinicalFeatures:Pulmonaryedema,neworworseningMR,S3ornew/worseningrales,hypotension,bradycardia,tachycardia,age>75yrsECGFindings:AnginaatrestwithtransientSTchanges>0.05mV,BBB(neworpresumednew),sustainedventriculartachycardiaBiochemicalMarkers:Elevatedtroponin-I當前第77頁\共有91頁\編于星期四\0點Short-termRiskAssessmentforDeathorNonfatalMIinPatientswithAcuteCoronarySyndromeINTERMEDIATERISK:Nohigh-riskfeaturebutmusthaveoneofthefollowing:History:PriorMI,peripheralorcerebrovasculardisease,CABGorprolongedaspirinuseCharacterofPain:Prolonged(>20min)restangina,nowresolved,withmoderatetohighlikelihoodofCADRestangina(<20min)orrelievedbysublingualNTGClinicalFindings:age>70yrsECGFindings:T-waveinversionsgreaterthan0.2mV,pathologicalQ-wavesBiochemicalMarkers:Borderlineelevatedtroponin-I當前第78頁\共有91頁\編于星期四\0點Short-termRiskAssessmentforDeathorNonfatalMIinPatientswithAcuteCoronarySyndromeLOWRISK:Nohighorintermediateriskfeaturesbutanyofthefollowing:CharacterofPain:

New-onsetorprogressiveCCSCIIIorIVanginainpast2weekswithmoderatetohighlikelihoodofCADECGFindings:

NormalorunchangedECGduringanepisodeofchestdiscomfortBiochemicalMarkers:

Normal當前第79頁\共有91頁\編于星期四\0點PrognosticFactorsfromExerciseTestingElectrocardiographic:MaximumST-depressionMaximumST-elevationST-depressionslope(morphology)NumberofleadsshowingSTchangesDurationofSTdeviationintorecoveryST/HRindexesExercise-inducedventriculararrhythmiasTimetoonsetofSTdeviation當前第80頁\共有91頁\編于星期四\0點PrognosticFactorsfromExerciseTestingHemodynamic:MaximumexerciseheartrateMaximumexerciseSBPMaximumexercisedoubleproduct(HRxSBP)Totalexerciseduration(functionalcapacity)ExertionalhypotensionChronotropicincompetenceAbnormalheartraterecovery當前第81頁\共有91頁\編于星期四\0點HeartRateRecoveryAfterExerciseTestingPredictsOutcomeinCAD

當前第82頁\共有91頁\編于星期四\0點PrognosticFactorsfromExerciseTestingSymptomatic:Exercise-inducedanginaExercise-inducedsymptoms(SOB,dizziness)Timetoonsetofangina當前第83頁\共有91頁\編于星期四\0點PrognosticScoreinAssessmentofCardiacEventRiskduringExerciseTestingDukePrognosticScore:TreadmillScore=exercisetimex5(amountofST-segmentdeviation)-4xexerciseanginaindex(0=none,1=presentbutnotlimiting,2=reasontostopthetest)HighRisk:<-11 (5%annualmortality)LowRisk:>+5 (0.5%annualmortality)InformationadditivetocoronaryanatomyandLVEF當前第84頁\共有91頁\編于星期四\0點DukePrognosticScoreNomogram當前第85頁\共有91頁\編于星期四\0點CombinedPrognosticFactorsIncreasePredictiveValueofExerciseTestingDatainCAD當前第86頁\共有91頁\編于星期四\0點IndicationsforExerciseTestingafterMyocardialInfarctionClassI:Beforedischargeforprognosticassessment,activityprescription,evaluationofmedicaltherapy(submaximalversusmaximal,submaximal4-6days)Earlyafterdischargeforprognosticassessment,activity