Canis ISSN: 2398-2942

Dilated cardiomyopathy in the dog Owner Factsheet

Dilated cardiomyopathy (DCM) is a disease affecting the heart muscle. It is the second most common heart disease in dogs (after mitral valve disease). In DCM the heart is unable to contract normally and as the muscle stretches the heart gets larger. DCM affects mainly middle-aged large and giant breed dogs and some spaniels. Cats and small breeds of dog are occasionally affected. Male dogs are more likely to be affected than females. Animals with DCM usually develop signs of heart failure and abnormal heart rhythms.

What causes dilated cardiomyopathy?

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How would I know if my dog has dilated cardiomyopathy?

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How will my vet know what is wrong with my dog?

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Can dilated cardiomyopathy be treated?

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Will my dog get better?

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How long will my dog live?

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