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.
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.
Chest pain does not mean you're having a heart attack — although it still can be a sign of heart concerns and
poor heart function.
Poor circulation, whether due to clogged arteries,
poor heart function, thick blood or PAD, does relate to persistent fatigue.
Rarely, this causes a chronic cough, irregular heart rate, or
poor heart function.