The most common toxin causing dilated cardiomyopathy is: (A) Alcohol, (B) Chemotherapeutic agents, (C) Heavy metal, (D) Occupational exposure
Answer is A. Ref Harrison 19 th ed pg 1558 Toxic 1.Alcohol 2.Catecholamin: amphetamines, cocaine 3.3.Chemotherapeut agents (anthracyclines, trastuzumab) 4.Interferon 5.Other therapeutic agents (hydroxychloroquine, chloroquine)6.Dru of misuse (emetine, anabolic steroids) 7. metals: lead, mercury Occupational exposure: hydrocarbons, arsenicals.