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• n  the rhythm of a beating heart

• cardiac rhythm

News & Articles

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• Grueling X-Country Ski Race May Affect Heart Rhythm
  Title: Grueling X-Country Ski Race May Affect Heart Rhythm Category: Health News Created: 6/12/2013 12:35:00 PM Last Editorial Review: 6/13/2013 12:00:00 AM
  June 14, 2013 - MedicineNet.com
• Arrhythmias more common in intense athletes: study
  By Andrew M. Seaman NEW YORK (Reuters Health) - Cross-country skiers who have completed more races at faster speeds have a higher risk of developing a heart rhythm disorder than their slower, less-seasoned peers, a new study from Sweden suggests. Researchers found athletes who completed at least five races over ten years were 30 percent more likely to be diagnosed with an irregular heartbeat ...
  June 13, 2013 - Reuters via Yahoo! News