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Source: http://www.vancouversun.com/health/S...110/story.html
Subtle heart quivers double stroke risk: study
Most sufferers don't notice condition
By Sharon Kirkey, Postmedia News January 12, 2012
A "silent" condition that causes the heart to quiver erratically more than doubles the risk of a stroke, Canadian researchers have found.
Their study of nearly 2,600 patients suggests "asymptomatic" atrial fibrillation - irregular and rapid heartbeats people don't feel - is a far more common cause of stroke than previously thought...
Subtle heart quivers double stroke risk: study
Most sufferers don't notice condition
By Sharon Kirkey, Postmedia News January 12, 2012
A "silent" condition that causes the heart to quiver erratically more than doubles the risk of a stroke, Canadian researchers have found.
Their study of nearly 2,600 patients suggests "asymptomatic" atrial fibrillation - irregular and rapid heartbeats people don't feel - is a far more common cause of stroke than previously thought...