Cardiomyopathy due to chronic tachycardias.
D000293:Adolescent; D002311:Cardiomyopathy, Dilated / Q000209:etiology*; D002908:Chronic Disease; D005260:Female; D006325:Heart Atria; D006333:Heart Failure / Q000209:etiology*; D006801:Humans; D013610:Tachycardia / Q000150:complications*