Nonfamilial dilated cardiomyopathy

**Definition:** Nonfamilial dilated cardiomyopathy is dilated cardiomyopathy secondary to an acquired systemic disorder that is known to be associated with dilated or inflammatory cardiomyopathy such as infectious myocarditis, exposure to toxins such as alcohol or anthracycline therapy, nutritional disorders, autoimmune disease, and many others.

**Exclusions:** - Pacing-induced cardiomyopathy