Published in Medical Device Law Weekly, March 14th, 2004
Atrial fibrillation occurs when the electrical signals, which keep the heart pumping, become disturbed. The two upper chambers of the heart quiver, rather than pump, which allows some of the blood to pool (and clot) in the chambers, rather than being forced out. This increases the risk of stroke.
Atrial fibrillation is the most common of all the heart rhythm abnormalities, with around 1 in every 100 of the U.K. population...
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