Irregular rhythm

Irregular Heart Rhythm

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Check for atrial fibrillation with Fitbit

Discover how Fitbit can help identify signs of atrial fibrillation (AFib) so you can have a better conversation with your doctor about your heart health.
Device and app screen for irregular rhythm
Device and app screen for irregular rhythm

Fitbit makes a difference

Easy to use

Gain insight into your heart health right from home.

Rooted in research

Both features were validated in clinical studies for accurate results.

Doctor-ready

Get results you can share with a healthcare professional.
Set up irregular Heart Rate app screen and Charge 5
Set up irregular Heart Rate app screen and Charge 5
Charge 5 on wrist
Charge 5 on wrist
Phone in hand
Phone in hand
Phone in hand with app open
Phone in hand with app open
Set up irregular Heart Rate app screen and Charge 5
Set up irregular Heart Rate app screen and Charge 5
With the ECG app, you can take an AFib assessment on demand. Plus, use irregular heart rhythm notifications to look for signs of AFib while you’re still or sleeping.
Charge 5 on wrist
Charge 5 on wrist

Atrial fibrillation is an irregular heart rhythm and occurs when the upper chambers beat out of sync with the lower chambers. This can increase risk of blood clots, stroke and heart attack.

AFib is treatable, so the earlier you identify it, the sooner you can do something about it.

Phone in hand
Phone in hand
With AFib, the heart may not always beat irregularly, making it hard to detect, even in a doctor’s office. Palpitations and shortness of breath can be symptoms of AFib, but some people don’t have any symptoms.
Phone in hand with app open
Phone in hand with app open

To check for signs of AFib, use the Fitbit ECG app to assess your heart rhythm on demand or have Fitbit analyse it while you’re still or sleeping.

Armed with this information, you can connect with your healthcare provider and have a more informed discussion.

Sense 2 and Charge 5 devices
Sense 2 and Charge 5 devices

Check on demand with the ECG app

An electrocardiogram (ECG or EKG) is a test that measures your heart’s electrical activity. Fitbit’s ECG app records those electrical signals and looks for signs of AFib. To take a heart rhythm assessment, set up the ECG feature in the Fitbit app.

Check on demand with the ECG app

An electrocardiogram (ECG or EKG) is a test that measures your heart’s electrical activity. Fitbit’s ECG app records those electrical signals and looks for signs of AFib. To take a heart rhythm assessment, set up the ECG feature in the Fitbit app.
Afib screen in app
Afib screen in app

Look for signs of AFib over time

With Irregular Heart Rhythm Notifications, Fitbit analyses your heart rhythm while you’re still or sleeping and looks out for potential signs of AFib.

Look for signs of AFib over time

With Irregular Heart Rhythm Notifications, Fitbit analyses your heart rhythm while you’re still or sleeping and looks out for potential signs of AFib.

How to get these features

Irregular heart rhythm notifications are available in the following countries:

American Samoa ᐧ Australia ᐧ Austria ᐧ Belgium ᐧ Canada ᐧ Chile ᐧ Czech Republic ᐧ France ᐧ Germany ᐧ Guam ᐧ Hong Kong ᐧ Iceland ᐧ India ᐧ Ireland ᐧ Italy ᐧ Liechtenstein ᐧ Luxembourg ᐧ Malta ᐧ Mauritius ᐧ Netherlands ᐧ New Zealand ᐧ Norway ᐧ Poland ᐧ Portugal ᐧ Puerto Rico ᐧ Romania ᐧ Singapore ᐧ South Africa ᐧ Spain ᐧ Sweden ᐧ Switzerland ᐧ Taiwan ᐧ United Kingdom ᐧ United States ᐧ U.S. Virgin Islands ᐧ Vietnam

This feature is compatible with Pixel Watch 3, Pixel Watch 2, Sense 2, Sense, Versa 4, Versa 3, Versa 2, Versa Lite, Charge 6, Charge 5, Charge 4, Charge 3, Luxe, Inspire 3 and Inspire 2.

To set up irregular heart rhythm notifications, enroll in the Assessment section of the Fitbit app.

The ECG app is available on Fitbit Sense 2, Fitbit Sense, Fitbit Charge 6 and Fitbit Charge 5 in the following countries:

American Samoa ᐧ Australia ᐧ Austria ᐧ Belgium ᐧ Canada ᐧ Chile ᐧ Czech Republic ᐧ France ᐧ Germany ᐧ Guam ᐧ Hong Kong ᐧ India ᐧ Ireland ᐧ Italy ᐧ Luxembourg ᐧ Netherlands ᐧ New Zealand ᐧ Norway ᐧ Poland ᐧ Portugal ᐧ Puerto Rico ᐧ Romania ᐧ Singapore ᐧ South Africa ᐧ Spain ᐧ Sweden ᐧ Switzerland ᐧ Taiwan (excluding Fitbit Sense and Fitbit Charge 5) ᐧ United Kingdom ᐧ United States ᐧ US Virgin Islands

The ECG app is available on Google Pixel Watch, Google Pixel Watch 2, Google Pixel Watch 3 and Google Pixel Watch 4 in the following countries:

Australia ⋅ Austria ⋅ Belgium ⋅ Canada ⋅ Czech Republic ⋅ France ⋅ Germany ⋅ India ⋅ Ireland ⋅ Italy ⋅ Japan (excluding Google Pixel Watch) ⋅ Netherlands ⋅ New Zealand ⋅ Norway ⋅ Poland ⋅ Portugal ⋅ Puerto Rico ⋅ Romania ⋅ Singapore ⋅ Spain ⋅ Sweden ⋅ Switzerland ⋅ Taiwan ⋅ United Kingdom ⋅ United States

To take a heart rhythm assessment with the Fitbit ECG app, enrol in the Assessment section of the Fitbit app. Find the ECG Instructions for Use and Physician's Guide in your language here.


More to know

The Fitbit ECG app is not intended for use by people under 22 years old.

The Fitbit irregular heart rhythm notifications feature is not continuously looking for AFib. This means it cannot identify all instances of AFib, and you may not get a notification even if you have AFib. Not intended for use by people under 22 years old or with other known arrhythmias.

Neither of these features can detect heart attack, blood clots, stroke or other heart conditions. You should never change your medication without first speaking to your doctor. Results may not be accurate in people who take medication or substances that affect heart rate or blood flow. If you think you’re having a medical emergency, call emergency services.

  • 1
    ECG study results provided in the Instructions for Use manual. Irregular heart rhythm notifications study here.
  • 3
    Not intended for use by people under 22 years old.
  • 4
    Not intended for use by people under 22 years old with known atrial fibrillation or other known arrhythmias.