Can a Fitbit cause AFib?
Mia Lopez
Updated on March 19, 2026
Cardiologists regularly see patients who have been diagnosed with atrial fibrillation bring in data from an Apple Watch or Fitbit, says study author Libo Wang, a cardiology fellow at the University of Utah School of Medicine.
Can you use a Fitbit If you have atrial fibrillation?
With a compatible ECG app on Fitbit Sense and Charge 5, you can assess your heart for atrial fibrillation (AFib) and share results with your doctor.Can Fitbit interfere with heart rhythm?
Magnets used in the wristbands of fitness trackers and smart watches can interfere with implanted cardiac devices; however, this is not widely appreciated by manufacturers of the watches or the cardiac devices.What are the side effects of wearing a Fitbit?
Fitbit products contain electrical equipment that could cause injury if not handled properly. Proper handling includes, but is not limited to the following: If you feel soreness, tingling, numbness, burning or stiffness in your hands or wrists while or after wearing the product, please immediately discontinue use.How does Fitbit notify you of AFib?
Fitbit smartwatches and trackers have optical sensors that can detect the pulse of blood that goes to your wrist with every heartbeat. The Fitbit Irregular Rhythm Notifications feature collects heart rhythm and motion data to check for signs of AFib.FITBIT Smartwatch Upgrade: Now Detect Atrial Fibrillation - Unless you actually HAVE AFib. What?Why?
Which Fitbits have AFib?
Charge 5, Versa 3, Sense, Versa 2, Charge 4, Charge 3, Luxe, Inspire 2 and Versa Lite are all compatible with the algorithm which can point to signs of AFib. The algorithm works by passively assessing your heartbeat rhythm.How accurate is Fitbit ECG?
The Fitbit ECG app software algorithm was able to correctly identify people with AFib 98.7% of the time and correctly identify people with a normal sinus rhythm 100% of the time.Do Fitbit watches give off radiation?
Have you heard the claim that wearable tech devices like Fitbit and the upcoming Apple Watch may pose a cancer risk? A recent column in The New York Times raised the possibility that radiation emitted by such devices could pose a cancer risk.Should I wear my Fitbit all the time?
For a fitness tracker to do its job, you have to wear it almost all the time. Failing to wear it during a walk means it won't record your steps. And if you care about sleep tracking, you'll need to wear it at night, too.What are the pros and cons of a Fitbit?
- Pro: You've got options. ...
- Pro: User-friendly even for tech newbies. ...
- Pro: It really boosts your motivation. ...
- Con: can be a little uncomfortable. ...
- Pro: Most Fitbits are water-resistant. ...
- Pro: The charge lasts for days at a time. ...
- Con: they're slightly more expensive.