Congestive Heart Failure (CHF) is a very common condition affecting our pets, and is more often seen in dogs than cats. Although it is a serious condition, and a major concern for a pet owner, it can be easily diagnosed and once diagnosed, it can be managed effectively. The important thing is to make an early diagnosis and start treatment immediately. Congestive Heart Failure can occur in pets of any age, but is more common in older animals. For this reason it is important to have annual checks done on older generation pets. First, let’s have a look at how the heart works to be able to understand this condition better.