Heart diseases in dogs are also common, but a quick and early identification of symptoms make all different from a situation leads to potential risk of life. Identification of symptoms does not mean at all that your dog is suffering from heart disease but it can help veterinarian to diagnose batter.
Difficulty in Breathing or increase respiratory rate at rest may require your attention. It refers to some kind of uneasiness in dog’s health. A dog suffering from heart disease also feels difficulty in breathing. Shallow breathing or heavily faster rate of breathing when the dog is resting is also alarming. Immediately refer to your veterinarian for identification of the problem.Source: dogsaholic.com