The left atrium serves as a critical reservoir, conduit and contractile chamber within the cardiac cycle, and its size reflects both pressure and volume changes in the left ventricle. Enlargement of ...

Left atrial appendage occlusion is a generally safe and effective procedure to lower the risk of stroke in people with atrial fibrillation. It closes or blocks off the left atrial appendage of the ...

New research findings from the University Medical Center Göttingen (UMG) show that both atria undergo profound changes in cases of persistent atrial fibrillation. Until now, the left atrium was ...

This Journal feature begins with a case vignette highlighting a common clinical problem. Evidence supporting various strategies is then presented, followed by a review of formal guidelines, when they ...

The mitral valve allows blood to flow from the left atrium of the heart into the left ventricle. Mitral regurgitation occurs when the mitral valve leaks blood back into the left atrium. A person’s ...

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