Dilated cardiomyopathy 1A


Tell me about dilated cardiomyopathy 1a.

Dilated cardiomyopathy (DCM) type 1a is a genetic condition in which the heart is dilated or enlarged. When the heart is enlarged, the chambers of the heart responsible for pumping blood do not contract or squeeze the blood out properly. Often the left side of the heart functions more poorly than the right side.

Approximately 750,000 people in the United States have general dilated cardiomyopathy; of these, about roughly half are familial. DCM type 1a is usually adult onset and diagnosed in adulthood. DCM type 1A is associated with a gene that accounts for 6% of dilated cardiomyopathies.

SOURCE: Emory University - Department of Human Genetics in collaboration with ThinkGenetic • https://www.thinkgenetic.com/diseases/dilated-cardiomyopathy-1a-109958/overview/68845 • DATE UPDATED: 2020-01-23



Hershberger RE, Morales A. Dilated Cardiomyopathy Overview. 2007 Jul 27 [Updated 2018 Aug 23]. In: Adam MP, Ardinger HH, Pagon RA, et al., editors. GeneReviews® [Internet]. Seattle (WA): University of Washington, Seattle; 1993-2020. Available from: https://www.ncbi.nlm.nih.gov/books/NBK1309/

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