2011
85% of maximal age-predicted heart rate is not a valid endpoint for exercise treadmill testing
Jain M, Nkonde C, Lin BA, Walker A, Wackers FJ. 85% of maximal age-predicted heart rate is not a valid endpoint for exercise treadmill testing. Journal Of Nuclear Cardiology 2011, 18: 1026-1035. PMID: 21922347, DOI: 10.1007/s12350-011-9454-0.Peer-Reviewed Original ResearchConceptsMaximal age-predicted heart rateAge-predicted heart rateInducible ischemiaPeak exerciseExercise testingPositive ECGHeart rateExercise endpointPositive exercise ECGExercise treadmill testingRegistry patientsProspective registryExercise capacityRetrospective cohortTreadmill testingPatient cohortExercise ECGValid endpointPatientsMore womenEndpointIschemiaClinical laboratoriesECGCohort
1988
Peak filling rate normalized to mitral stroke volume: A new Doppler echocardiographic filling index validated by radionuclide angiographic techniques
Bowman L, Lee F, Jaffe C, Mattera J, Wackers F, Zaret B. Peak filling rate normalized to mitral stroke volume: A new Doppler echocardiographic filling index validated by radionuclide angiographic techniques. Journal Of The American College Of Cardiology 1988, 12: 937-943. PMID: 3417992, DOI: 10.1016/0735-1097(88)90458-5.Peer-Reviewed Original ResearchConceptsPeak filling rateMitral stroke volumeMean peak filling rateEnd-diastolic volumeStroke volumeFilling indexDoppler echocardiographyNormal patientsFilling velocityEarly peak filling velocityLate filling ratioEarly filling velocityDiastolic filling indexesLeft ventricular fillingTime-velocity integralPeak filling velocityRadionuclide angiographic techniquesFilling rateMitral inflowVentricular fillingMitral leafletEchocardiographic determinationMitral apparatusVelocity integralVentricular volume