1. It detected four brief episodes of abnormally fast heartbeats, Reiner said. 2. It is a cardiac pacing device that also includes a defibrillator used to stabilize an irregular fast heartbeat. 3. It is a cardiac pacing device that includes a defibrillator used to stabilize an irregular fast heartbeat. 4. It was detection of an abnormally fast heartbeat that prompted doctors to recommend the implant. |
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