Left atrium
Medical term · L
The left upper chamber of the heart.
Related terms
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AtriaThe upper chambers of the heart. There are two of these—the right atrium and the left atrium.
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Mitral valveThe valve that controls the one-way flow of blood from the left atrium to the left ventricle.
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Mitral valve prolapseA valve problem in which one or both of the mitral valve flaps collapse backward into the left atrium. This may allow a small amount of blood to leak backward (regurgitate)…
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Mitral valve stenosisA narrowing of the mitral valve opening that limits blood flow from the left atrium to the left ventricle.