1994
Double sequential external shocks for refractory ventricular fibrillation
Hoch D, Batsford W, Greenberg S, McPherson C, Rosenfeld L, Marieb M, Levine J. Double sequential external shocks for refractory ventricular fibrillation. Journal Of The American College Of Cardiology 1994, 23: 1141-1145. PMID: 8144780, DOI: 10.1016/0735-1097(94)90602-5.Peer-Reviewed Original Research
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
1991
Comparison of clinical and electrophysiologic features of preexcitation syndromes in patients presenting initially after age 50 years with those presenting at younger ages
Rosenfeld L, Van Zetta A, Batsford W. Comparison of clinical and electrophysiologic features of preexcitation syndromes in patients presenting initially after age 50 years with those presenting at younger ages. The American Journal Of Cardiology 1991, 67: 709-712. PMID: 2006621, DOI: 10.1016/0002-9149(91)90526-q.Peer-Reviewed Original ResearchConceptsGroup 2 patientsGroup 1 patientsPreexcitation syndromeAtrial fibrillation/flutterAge 50 yearsChronic cardiac diseaseWide complex tachycardiaLate adulthoodInitial arrhythmiaElectrocardiographic evidenceOlder patientsElectrophysiologic featuresElectrophysiologic studyAtrial arrhythmiasQRS intervalSurgical diseaseOrthodromic tachycardiaCardiac diseaseGroup 1PatientsNormal rangeComplex tachycardiaYounger ageElectrocardiographic identificationPrenatal period
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
1987
Dissociation of electrophysiologic and pharmacologic stability during an abbreviated oral loading regimen of amiodarone
Rosenfeld L, Kennedy E, Perlmutter R, Bookbinder M, McPherson C, Batsford W. Dissociation of electrophysiologic and pharmacologic stability during an abbreviated oral loading regimen of amiodarone. American Heart Journal 1987, 114: 1367-1374. PMID: 3687689, DOI: 10.1016/0002-8703(87)90538-2.Peer-Reviewed Original ResearchConceptsVentricular tachycardiaMicrograms/Sinus node recovery timeCycle lengthLoading regimenEarly outpatient managementOral loading regimenSinus cycle lengthSinoatrial conduction timeWenckebach cycle lengthVentricular refractory periodsDesethylamiodarone levelsElectrophysiologic testingHV intervalOutpatient managementElectrophysiologic studySerum levelsInpatient therapyElectrophysiologic changesTreatment periodConduction timeHigh-pressure liquid chromatographyRefractory periodDosing phaseRegimen
1985
Evaluation by serial electrophysiologic studies of an abbreviated oral loading regimen of amiodarone
Kennedy E, Rosenfeld L, McPherson C, Batsford W. Evaluation by serial electrophysiologic studies of an abbreviated oral loading regimen of amiodarone. The American Journal Of Cardiology 1985, 56: 867-871. PMID: 3904386, DOI: 10.1016/0002-9149(85)90772-6.Peer-Reviewed Original ResearchConceptsVentricular tachycardia cycle lengthOral loading regimenTachycardia cycle lengthVentricular refractory periodsVentricular tachycardia inducibilityTachycardia inducibilityAV nodal Wenckebach cycle lengthCycle lengthRefractory periodLoading regimenSerial electrophysiologic testingMonths of therapyWeeks of therapyLow maintenance doseSerial electrophysiologic studiesWenckebach cycle lengthMinority of casesMaintenance therapyOral amiodaroneElectrophysiologic testingMaintenance doseMaintenance regimensHV intervalElectrophysiologic studyAH interval
1983
Intraventricular Wenckebach conduction and localized reentry in a case of right ventricular dysplasia with recurrent ventricular tachycardia
Rosenfeld L, Batsford W. Intraventricular Wenckebach conduction and localized reentry in a case of right ventricular dysplasia with recurrent ventricular tachycardia. Journal Of The American College Of Cardiology 1983, 2: 585-591. PMID: 6875123, DOI: 10.1016/s0735-1097(83)80290-3.Peer-Reviewed Original ResearchConceptsRecurrent ventricular tachycardiaRight ventricular dysplasiaVentricular dysplasiaVentricular tachycardiaWenckebach conductionSerial electrophysiologic studiesContinuous electrical activityRight ventricular apexTermination of tachycardiaElectrophysiologic findingsAntiarrhythmic drugsElectrophysiologic studyRight ventricleLocalized reentryReentrant mechanismVentricular apexNoninvasive evaluationTachycardiaReproducible initiationElectrical activityDysplasiaAbnormal portionExtrastimuliPatientsArrhythmias