what causes heart failure in dogs
Heart disease in dogs is common. Dogs with heart disease and heart failure may cough, tire easily, and have a loss of appetite. Learn to recognize the signs of heart problems in dogs, various causes, diagnostic and treatment options, and how to manage your heart patient dog at home. Related: Heart Disease in Cats.
Heart failure is caused by many conditions that damage the heart muscle, including: 1  Coronary artery disease. Coronary artery disease (CAD), a disease of the arteries that supply blood and oxygen to the heart, causes decreased blood flow to the heart muscle. 2  Heart attack.