2007
Implantable Cardioverter‐Defibrillator Shocks Increase T‐Wave Alternans
LAMPERT R, SOUFER R, McPHERSON CA, BATSFORD WP, TIRADO S, EARLEY C, GOLDBERG A, SHUSTERMAN V. Implantable Cardioverter‐Defibrillator Shocks Increase T‐Wave Alternans. Journal Of Cardiovascular Electrophysiology 2007, 18: 512-517. PMID: 17428273, DOI: 10.1111/j.1540-8167.2007.00787.x.Peer-Reviewed Original ResearchConceptsRepolarization instabilityQRS duration changesImplantable defibrillator shocksAmbulatory ECG monitoringT-wave alternansNorepinephrine levelsCoronary diseaseICD shocksSympathetic stimulationVentricular arrhythmiasInduced arrhythmiasVentricular arrhythmogenesisDefibrillator shocksQRS durationQT intervalSedated stateAdequate preClinical implicationsDefibrillation therapyECG monitoringRR intervalsHolter dataBaseline statePatientsArrhythmias
2005
Effects of Psychologic Stress on Repolarization and Relationship to Autonomic and Hemodynamic Factors
LAMPERT R, SHUSTERMAN V, BURG MM, LEE FA, EARLEY C, GOLDBERG A, MCPHERSON CA, BATSFORD WP, SOUFER R. Effects of Psychologic Stress on Repolarization and Relationship to Autonomic and Hemodynamic Factors. Journal Of Cardiovascular Electrophysiology 2005, 16: 372-377. PMID: 15828878, DOI: 10.1046/j.1540-8167.2005.40580.x.Peer-Reviewed Original ResearchConceptsT-wave alternansMental stressVentricular arrhythmiasPsychological stressAmbulatory ECG monitoringT-wave amplitudePathophysiologic linkSusceptible patientsSystolic BPRepolarization indicesAlters indicesPsychologic stressRepolarization changesSudden deathPatientsHemodynamic factorsT-wave areaStress protocolECG monitoringArrhythmiasPhysiologic pathwaysRepolarizationMyocardial heterogeneityICDHr