Idiopathic dilated cardiomyopathy remains the most common cause of the condition compared to specific heart muscle diseases.
May guide heart failure etiology assessment toward idiopathic dilated cardiomyopathy; leaves open whether specific diseases remain underrecognized in contemporary cohorts.
Idiopathic dilated cardiomyopathy is a common cause of congestive heart failure. Specific heart muscle diseases occur with much less frequency.
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Kasper et al. (1994) studied this question.