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Heart Health
Screening for atrial fibrillation: An update
- By Julie Corliss, Executive Editor, Harvard Heart Letter
Wearable devices can detect this often-silent heart disorder. But as screening tools, they’re not ready for prime time yet.
Nearly one in 11 people ages 65 and older have atrial fibrillation (afib), a heart rhythm disorder that causes bouts of rapid, irregular heartbeats. These unpredictable episodes — which may be fleeting or last for weeks or longer — may trigger symptoms such as dizziness and breathlessness, but not always.
However, the greatest threat from afib comes from the heightened risk of stroke that accompanies the condition. Because the heart’s upper chambers (atria) don’t contract regularly, blood may stagnate in the left atrium and form clots. If a clot escapes, it can travel to the brain and cause a stroke.
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About the Author
Julie Corliss, Executive Editor, Harvard Heart Letter
Disclaimer:
As a service to our readers, Harvard Health Publishing provides access to our library of archived content. Please note the date of last review or update on all articles.
No content on this site, regardless of date, should ever be used as a substitute for direct medical advice from your doctor or other qualified clinician.
You might also be interested in…
Managing Atrial Fibrillation
Managing Atrial Fibrillation will explain what atrial fibrillation is, how to know if you have it, its causes, and the treatments available. Afib can be a complex health condition, so the more you know about it, the better you will be able to work with your doctor. If afib is monitored and treated correctly, you can minimize its symptoms and help to prevent serious complications like stroke and heart damage.
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