Original Article

Ejection Fraction and QRS Width as Predictors of Event Rates in Patients with Implantable Cardioverter Defibrillators

Objectives: The Multicenter Automatic Defibrillator Implantation Trial II in 2002 recommended implantable cardioverter defibrillators (ICDs) prophylactically for all patients with a prior myocardial infarction and ejection fraction (EF) of 30% or less. In June of 2003, the Centers for Medicare and Medicaid Services approved reimbursement for ICD placement in patients…