The symptoms of heart failure in dogs before death are easy to see. The dog may have difficulty breathing. At this time, the dog’s pulse will become very weak, which is a sign of heart failure in dogs.

In addition, if a dog has heart failure, its blood circulation will be affected. It causes ischemia and paleness of the mouth and conjunctiva. At the same time, the dog may develop edema. When the dog develops this condition, the owner needs to take it to see a doctor.