Lippincott Williams & Wilkins

Left ventricular ejection fraction (LVEF): _____ Date: _____ Method: _____ ... and left ventricular ejection fraction (LVEF) ≤ 30% randomized to optimal medical therapy alone or optimal medical therapy plus implantable cardioverter defibrillator (ICD), with follow-up for 20 months ... With a life expectancy of greater than 1 year. Class I ... ................
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