Bernards, Newfoundlands, and Great Danes are prone to developing CHF due to dilated heart muscles. However, some large breeds, particularly giant breeds such as St. Small dogs in general tend to be more prone to developing CHF because the heart valves tend to degenerate more than in larger breeds. Many small breeds have a genetic propensity toward CHF, says Love to Know, including toy poodles, Pomeranians, dachshunds, and cavalier King Charles spaniels. The most common cause of congestive heart failure in dogs is congenital heart defects, meaning that it's a genetic condition that can't be prevented. If you notice any of these symptoms, you should have your dog checked by your vet without delay. Getting tired more easily on walks or during play. Breathing at a fast rate, especially when in a resting state.Here are some common signs that your dog might be suffering from congestive heart failure, according to Pet Health Network®: Symptoms of Congestive Heart Failure in Dogs As a result, fluid leaks into the tissue of the lungs, causing swelling known as pulmonary edema, which leads to coughing and difficulty breathing. It is a state of diminished cardiac function as a result causes volume or pressure overload to the left side of the heart. The most common type of CHF in dogs, this occurs when blood from the left ventricle leaks back into the left atrium through the mitral valve rather than getting pumped into the body's systemic circulation when the heart contracts. Left-sided congestive heart failure (LS-CHF).Excess fluid might also build up in the limbs and cause swelling known as peripheral edema. As a result, the main circulation system becomes congested with backed up blood, and fluid accumulates in the abdomen, interfering with proper organ function. This occurs when a heart contraction causes some blood to leak into the right atrium from the right ventricle through the tricuspid valve rather than being pushed through the lungs and becoming oxygenated. Right-sided congestive heart failure (RS-CHF).In dogs, there are two main types of CHF: As a result, blood backs up into the lungs and fluid accumulates in the body cavities (chest, abdomen or both) further constricting both the heart and lungs, and preventing sufficient oxygen flow throughout the body. What Is Congestive Heart Failure in Dogs?Ĭongestive heart failure (CHF) refers to the inability of the heart to pump blood adequately throughout the body. However, it's important to recognize the symptoms of congestive heart failure in dogs so that you can begin treatment promptly, giving your beloved pup the best chance of a longer life. The good news is that with proper treatment and lifestyle management this diagnosis is containable. Sadly, many small breeds as well as some large breeds, are prone to developing this condition later in life. Congestive heart failure can be a scary diagnosis to receive from your veterinarian.
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