What Is Dilated Cardiomyopathy?


What is dilated cardiomyopathy?


Dilated cardiomyopathy (DCM) is the most common form of cardiomyopathy. It is also known as congestive cardiomyopathy. The disease mostly affects adults at age of 20 to 60. It weakens the ability of ventricles and atria, the chambers of the heart. The subtypes of DCM include alcoholic cardiomyopathy, diabetic cardiomyopathy, familial dilated cardiomyopathy, idiopathic cardiomyopathy, ischemic cardiomyopathy, peripartum cardiomyopathy, and primary cardiomyopathy.

Usually the initial development begins in the left ventricle, the heart’s main pumping chamber. As the heart muscle dilates, walls of the left ventricle become thinner and weaker. The progress gradually enlarges the inside of the chamber. The problem then spreads to the right ventricle and finally to the atria.

With the dilation of heart chambers, the heart muscle can’t contract normally and can’t pump blood efficiently. As the disease develops, heart failure, a life-threatening symptom, may occur.


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* The Content is not intended to be a substitute for professional medical advice, diagnosis, or treatment. Always seek the advice of your physician or other qualified health provider with any questions you may have regarding a medical condition.