Longer heart monitoring can detect a major cause of stroke: study

June 26, 2014 12:31 AM

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TORONTO -- A heart-rhythm disorder called atrial fibrillation is on the rise among older Canadians, but standard testing often doesn't detect the condition, leaving patients untreated and prone to potentially disabling or fatal strokes.

Among those who have had a stroke, standard testing includes wearing a portable electrocardiogram for 24 hours to check for episodes of an irregular heartbeat. But often the heart monitor will turn up no anomalies, so doctors are unable to come up with a specific diagnosis.

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