DCM usually develops gradually (over months to years) before it starts to cause symptoms. DCM isn't curable, but can usually be managed with medication. DCM tends to get gradually more severe over time, but the earlier a dog is diagnosed and treated the better their outlook.
How long does DCM take to develop in dogs?
The majority of dogs with asymptomatic DCM will develop 'clinical signs' 6-24 months after they are diagnosed with asymptomatic DCM.
How does dilated cardiomyopathy progress?
Dilated cardiomyopathy, or DCM, is when the heart chambers enlarge and lose their ability to contract. It often starts in the left ventricle (bottom chamber). As the disease gets worse, it may spread to the right ventricle and to the atria (top chambers).
How long do you live with dilated cardiomyopathy?
Clinically, DCM is characterized by a progressive course of ventricular dilatation and systolic dysfunction. The life expectancy is limited and varies according to the underlying etiology with a median survival time of about 5 years after diagnosis.
Does cardiomyopathy develop slowly?
The condition tends to be progressive. Sometimes it worsens fairly quickly. It may be associated with diseases involving other organs, as well as the heart. Dilated cardiomyopathy is a leading cause for a heart transplant.
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