The Heart's Chambers and Valves
The left heart pump
By Richard N. Fogoros, M.D., About.com
Created: December 01, 2003
About.com Health's Disease and Condition content is reviewed by our Medical Review Board
Figure 4 - Into the left atrium
Figure 4: The left heart pump consists of the left atrium (LA), mitral valve (MV), left ventricle (LV), aortic valve (AV), and aorta (Ao). Well oxygenated blood returning to the heart from the lungs enters the left atrium, and is stored there until the left atrium contracts.
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