Improved detection of atrial fibrillation could prevent disabling strokes

A clinical trial examining the efficacy of two devices to monitor and detect atrial fibrillation (AF), or an irregular heartbeat, in ischemic stroke patients -- one an implantable device that monitors over 12 months, the other an external device that monitors over a 30-day period -- found the implantable device is more than three times more effective in detecting AF.

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