Impaired LVEF after MI
inversely correlates with risk of SCD.
ICD is recommended in post MI with LVEF ≤30%, after optimal medical treatment (OMT), regardless of symptoms.
Majority of deaths in NYHA II & III are caused by SCD.
ICD is recommended in LVEF≤35% and NYHA II or III with several underlying cardiac conditions.
Noted that the level of recommendation of ICD for DCM with LVEF≤35% and NYHA II or III was downgraded from I to IIa
in response to the result of