When is an ICD indicated in the treatment of dilated cardiomyopathy?

Updated: Mar 02, 2021
  • Author: Vinh Q Nguyen, MD, FACC; Chief Editor: Gyanendra K Sharma, MD, FACC, FASE  more...
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Indications for ICD according to 2013 ACC/AHA include [13] :

  • Class IA: Primary prevention of sudden cardiac death (SCD) in patients with heart failure and a reduced ejection fraction (HFrEF) 40 days post myocardial infarction (MI) with a left ventricular ejection fraction (LVEF) of 35% or below and New York Heart Association (NYHA) class II or III symptoms on guideline-directed medical therapy (GDMT) who are expected to live longer than 1 year (SCD-HeFT [135] )
  • Class IB. Primary prevention of SCD in those with HFrEF 40 days post MI and LVEF of 30% or below with NYHA class I symptoms while receiving GDMT, who are expected to live longer than 1 year (MADIT II [134] )

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