Canine Dilated Cardiomyopathy (DCM): Causes, Symptoms, Diagnosis & Treatment

When your dog has dilated cardiomyopathy (DCM), his heart can no longer maintain enough pressure to properly pump blood through his vascular system to the rest of his body. It’s a very dangerous-often fatal-disease among medium and large sized dogs. In fact, it’s the most common cause of heart failure in certain large breed dogs.