The main reason diabetics are cautious when it comes to potatoes is their very high glycemic index (GI) value. The glycemic index is important for diabetics because it is a measure of the impact a particular food has on blood glucose levels once it has been digested.
The two most common causes of congestive heart failure in dogs are mitral valve insufficiency and dilated cardiomyopathy. In cats, hypertrophic cardiomyopathy is the most common heart disease. Genetic predisposition is clearly the most common underlying reason for the development of congestive heart failure.
Congestive heart failure is a common complication of heart attack and other types of heart disease that damage the heart muscle. These diseases include hypertension, heart valve disorders, arrhythmias, and cardiomyopathy. Congestive heart failure can also be caused by anemia.