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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.  
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==Description==
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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.
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In both dogs and cats 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.
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Causes[edit]
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1. Degenerative mitral valve disease
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2. Mitral endocarditis
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2. Cardiomyopathies
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[[Category:Heart_Failure]][[Category:To_Do_-_Cardiovascular]][[Category:To Do - Major]]
 
[[Category:Heart_Failure]][[Category:To_Do_-_Cardiovascular]][[Category:To Do - Major]]
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