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Left-sided congestive heart failure involves volume overload of the left atrium, pulmonary veins and pulmonary capillaries, manifesting as pulmonary oedema.
==Description==
Left-sided congestive heart failure involves volume overload of the left atrium, pulmonary veins and pulmonary capillaries, manifesting as [[Pulmonary Oedema|pulmonary oedema]].
[[Category:Cardiology Section]]
In both dogs and cats [[Pulmonary Oedema|pulmonary oedema]] is a sign of left-sided congestive heart failure. In the cat pleural effusion may also be a side of left-sided congestive heart failure, whereas in the dog pleural effusion is always a sign of right-sided congestive heart failure. This species difference occurs because a proportion of the visceral pleural surface drains into the pulmonary veins, and this anatomic arrangement is more prominent in cats.
==Causes==
1. Degenerative mitral valve disease
2. Mitral endocarditis
2. Cardiomyopathies
[[Category:Heart_Failure]][[Category:To_Do_-_Cardiovascular]][[Category:To Do - Major]]