On average, the majority of dogs with asymptomatic DCM can live for 1-3 years before they develop any clinical signs of heart failure. However, a few will die suddenly.
Can dogs survive with DCM?
Long term prognosis for DCM varies considerably. Unfortunately, most dogs with signs of congestive heart failure at the time of diagnosis die as a result of the disease within 6 months. In the most severe cases, some dogs may survive only weeks to a few months. Occasionally, dogs may do well clinically for 1-2 years.
How quickly does DCM progress?
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.
What are the end stages of DCM in dogs?
Weakness, fainting spells, difficulty breathing, distension of the abdomen with fluid, and coughing are all possible in the later stages of disease. There are signs related to what is called “congestive heart failure.” Some animals may die suddenly from an irregular heart rhythm without any previous symptoms.
How fast does heart failure progress in dogs?
Heart disease may lead to congestive heart failure. That's when your dog's heart has trouble pumping blood to the rest of its body. Heart disease can affect one side of the heart or sometimes both sides. It can progress slowly and may take years to spot.
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