1992
Determinants of the hemodynamic consequence to sustained ventricular arrhythmias after a single myocardial infarction
Sager P, Perlmutter R, Rosenfeld L, Batsford W. Determinants of the hemodynamic consequence to sustained ventricular arrhythmias after a single myocardial infarction. American Heart Journal 1992, 124: 1484-1491. PMID: 1462903, DOI: 10.1016/0002-8703(92)90061-y.Peer-Reviewed Original ResearchConceptsProportion of patientsSustained ventricular tachycardiaStable sustained ventricular tachycardiaSustained ventricular arrhythmiasMyocardial infarctionCardiac arrestSingle myocardial infarctionVentricular arrhythmiasVentricular tachycardiaHemodynamic consequencesCA groupGlobal left ventricular ejection fractionLeft ventricular ejection fractionCongestive heart failureVentricular ejection fractionCoronary artery diseasePrevious myocardial infarctionAnterior wall infarctionBundle branch blockInferior wall infarctionArrhythmic cardiac arrestArtery diseaseEjection fractionHeart failureElectrophysiologic studyAntiarrhythmic drug exacerbation of ventricular tachycardia inducibility during electrophysiologic study
Sager P, Perlmutter R, Rosenfeld L, Batsford W. Antiarrhythmic drug exacerbation of ventricular tachycardia inducibility during electrophysiologic study. American Heart Journal 1992, 123: 926-933. PMID: 1550002, DOI: 10.1016/0002-8703(92)90698-u.Peer-Reviewed Original ResearchConceptsTest-negative groupInducible ventricular tachycardiaTest positive groupVentricular tachycardiaElectrophysiologic studyVentricular arrhythmiasClinical characteristicsSignificant organic heart diseaseInducible sustained ventricular tachycardiaDrug-induced exacerbationGroups' clinical characteristicsInducible ventricular arrhythmiasDrug testsVentricular ejection fractionVentricular tachycardia inductionOrganic heart diseaseSustained ventricular tachycardiaBundle branch blockDrug-free stateVentricular tachycardia inducibilityTachycardia inductionAntiarrhythmic therapyInducible arrhythmiasEjection fractionVentricular aneurysm
1989
Rapid self-terminating ventricular tachycardia induced during electrophysiologic study: A prospective evaluation
Sager P, Perlmutter R, Rosenfeld L, McPherson C, Batsford W. Rapid self-terminating ventricular tachycardia induced during electrophysiologic study: A prospective evaluation. Journal Of The American College Of Cardiology 1989, 13: 385-390. PMID: 2913116, DOI: 10.1016/0735-1097(89)90516-0.Peer-Reviewed Original ResearchConceptsGroup B patientsSelf-terminating ventricular tachycardiaGroup A patientsB patientsGroup C patientsVentricular tachycardiaA patientsC patientsElectrophysiologic studyGroup ALeft ventricular ejection fractionClinical ventricular arrhythmiasVentricular ejection fractionCoronary artery diseaseStructural heart diseaseSustained ventricular tachycardiaInduced ventricular tachycardiaClinical characteristicsArtery diseaseEjection fractionVentricular arrhythmiasPatient groupProspective evaluationElectrophysiologic characteristicsHeart disease
1988
Electrophysiologic effects of thrombolytic therapy in patients with a transmural anterior myocardial infarction complicated by left ventricular aneurysm formation
Sager P, Perlmutter R, Rosenfeld L, McPherson C, Wackers F, Batsford W. Electrophysiologic effects of thrombolytic therapy in patients with a transmural anterior myocardial infarction complicated by left ventricular aneurysm formation. Journal Of The American College Of Cardiology 1988, 12: 19-24. PMID: 3379204, DOI: 10.1016/0735-1097(88)90350-6.Peer-Reviewed Original ResearchConceptsGroup B patientsLeft ventricular aneurysm formationTransmural anterior myocardial infarctionGroup A patientsVentricular aneurysm formationAnterior myocardial infarctionThrombolytic therapyB patientsVentricular tachycardiaA patientsVentricular arrhythmiasMyocardial infarctionAneurysm formationNew bundle branch blockPeak creatine kinase-MB levelsLeft ventricular ejection fractionCreatine kinase-MB levelsClinical arrhythmic eventsEarly thrombolytic therapyCongestive heart failureVentricular ejection fractionSustained ventricular tachycardiaInduced ventricular arrhythmiasBundle branch blockPostmyocardial infarction patients
1986
Ventricular tachycardia induction: Comparison of triple extrastimuli with an abrupt change in ventricular drive cycle length
Rosenfeld L, McPherson C, Kennedy E, Stark S, Batsford W. Ventricular tachycardia induction: Comparison of triple extrastimuli with an abrupt change in ventricular drive cycle length. American Heart Journal 1986, 111: 868-874. PMID: 3706105, DOI: 10.1016/0002-8703(86)90635-6.Peer-Reviewed Original ResearchConceptsRight ventricular apexDouble extrastimuliTriple extrastimuliVentricular arrhythmiasVentricular tachycardiaVentricular apexCycle lengthSerial drug testingGroup III patientsDrive cycle lengthSustained ventricular tachycardiaIndwelling catheterIII patientsClinical arrhythmiaLow suspicionStimulation protocolTachycardiaExtrastimuliPatientsGroup IArrhythmiasDrug testingCatheterFibrillationSuspicionMechanisms and relevance of arrhythmias induced by high-current programmed ventricular stimulation
Kennedy E, Rosenfeld L, McPherson C, Stark S, Batsford W. Mechanisms and relevance of arrhythmias induced by high-current programmed ventricular stimulation. The American Journal Of Cardiology 1986, 57: 598-603. PMID: 3953446, DOI: 10.1016/0002-9149(86)90842-8.Peer-Reviewed Original ResearchConceptsSustained ventricular tachycardiaVentricular fibrillationTriple extrastimuliVentricular stimulationVentricular tachycardiaDiastolic thresholdConduction timeCoupling intervalExtrastimulus coupling intervalLocal conduction timeIntraventricular conduction timeVentricular refractory periodsUncertain clinical significanceVentricular refractorinessSustained arrhythmiaClinical significanceRefractory periodStimulation modalitiesExtrastimuliStimulationTachycardiaPatientsArrhythmogenicityArrhythmiasGreater increment