Symptoms Your dog's body has some protective mechanisms that help him cope with poor heart function early in the disease, so symptoms may not be obvious at first. (pethealthnetwork.com)
Also, poor heart function affects the lungs, liver, and other organs and systems in the body. (functionalhealthnews.com)
The physical findings associated with poor heart function and the classical abnormal rate and rhythm of the heart are the main findings to prompt a diagnosis. (pethealthnetwork.com)