Heart Failure in Dogs
Heart failure (or “congestive heart failure”) is a term used in veterinary medicine to describe the heart’s inability to pump enough blood throughout the body to keep the circulatory system from “backing up.” Not only does this lead to a condition whereby fluid accumulates upstream of the failing chambers of the (right sided heart failure affects the animal differently than left sided heart failure), it means less blood––and therefore less oxygen––is getting to the tissues of the body. For this reason, heart failure is an unsustainable condition that must be quickly reversed if the animal is to survive.
What to Watch For
The symptoms of heart failure will differ depending on which side of the heart is affected, right or left.
Right-sided heart failure (backward failure):
Left-sided heart failure (forward failure):
In pets, heart failure is most commonly the result of chronic valve disease (in which the valves of the heart degenerate and prove incompetent), abnormal heart rhythms (arrhythmias) and nutritional or hereditary conditions affecting the heart muscle or the major vessels leading to and from the heart. It should go without saying that the treatment of heart failure should address both symptoms and root cause(s).
In cases of heart failure, the timing of treatment is critical.
Because oxygen therapy and drug therapy is considered essential, hospitalization will be required.
Long-term treatment is required in almost all heart failure cases in which the crisis has been overcome. Drug therapy, dietary changes and/or surgery (as in the case of some congenital heart defects), can be extremely effective in preventing future episodes, mitigating the overall severity of the underlying disease and increasing the quality of life.
The condition of being drowsy, listless, or weak
The process of making something larger by dilating or stretching it
The collection of fluid in the peritoneal cavity.
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