How to Set Up and Use ECG on Apple Watch Series 4

You can make the most of your latest Apple Watch Series 4 by using ECG app. Here is our complete guide on how to take ECG, share ECG results and set up irregular heart rate notifications on your Apple Watch.

Apple has been introducing impressive health and fitness features in its smartwatch only to make our lives healthier and fitter. Though there are some hidden motives of Apple behind improving health features, it is beneficial to users. EKG/ECG (Electrocardiogram) on Apple Watch Series 4 is one of the useful features for cardiac patients. After reading this complete guide, you will be able to use ECG on your Apple Watch in a perfect way.

But before you use this life-saving feature on your smartwatch, you need to set up ECG app on Apple Watch. Next, if there is an anomaly in your ECG, you can share your ECG results with your doctor. Your Apple Watch also allows you to set up irregular heart rate notifications. Let’s check out the detailed guide.

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How to Set up and Use ECG/EKG on Apple Watch Series 4

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How to Setup ECG On Apple Watch Series 4

Before setting up ECG on your watch, you need to update your Apple Watch to watchOS 5.1.2 and your iPhone to 12.1.1.

Step #1. Launch Watch app on your paired iPhone → Tap on My Watch tab from the bottom.

Step #2. Scroll down and tap on Heart app.

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Step #3. Next, tap on Set up the ECG app in Health. Your Watch app will show you a button, Set Up ECG App; tap on that button. Now you have to follow some prompts provided by your Watch app.

Step #4. Enter your date of birth and tap Continue.

Your Watch app shows you how the ECG app works; tap on Continue and the app will inform you about Sinus Rhythm, Atrial Fibrillation (AFib), Low or High Heart Rate, and Inconclusive.

Step #5. Tap on Continue.

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Here, the Watch shares essential information about what ECG app cannot do.

  • The ECG app cannot detect a heart attack.
  • It cannot detect blood clots or a stroke.
  • It cannot detect other heart-related issues or conditions.

Step #6. Tap Continue again.

Now you are all set to take your first ECG.

How to Take ECG on Apple Watch

Since you have set up ECG, now it’s time to take ECG.

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Before you take your ECG, two points to ponder.

  • Recording on ECG normally takes 30 seconds.
  • Make sure your Apple Watch is snugly fit on the wrist you have selected in Settings.

Step #1. Press the Digital Crown on your Apple Watch.

Step #2. This will show you a cluster of apps in honeycomb or grid view (in case you have arranged the apps in list view, your watch will show the apps accordingly).

Step #3. Tap on ECG app on your Apple Watch.

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Step #4. Now rest your arms on a table or in your lap → Next, hold your finger on the Digital Crown of the watch for 30 seconds. The watch will start taking your ECG as you can see that serrated line with regular spikes.

  • Don’t take your finger off the digital crown.
  • The watch measures your heart rhythm; you are not supposed to hold your breath.
  • On your watch screen, you can see a graph showing your heart beat.
  • After 30 seconds, your Apple Watch will show you the ECG.

The ECG app gives you Sinus Rhythm, atrial fibrillation or inconclusive.

  1. Sinus Rhythm shows that your heart beats properly in a uniform pattern
  2. Atrial fibrillation is an irregular heartbeat pattern
  3. Inconclusive means the app fails to measure ECG for an unknown reason.

Please note that you can check your ECG in the Health app on your iPhone paired with your Apple Watch.

How to View ECG Result

Step #1. Open Health App on the paired iPhone → Tap on Health Data from the bottom.

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Step #2. Tap on Electrocardiogram (ECG.)

Step #3. Tap on the particular ECG result.

How to Set Up Irregular Heart Rate Notifications on Apple Watch

Apple Watch can also sense irregular heart rates and it can notify you when your heart beats irregularly. You need to set up irregular heart rate notifications on your watch.

Step #1. Tap on Watch app from your iPhone.

Step #2. Tap on My Watch Swipe down and tap on Heart.

Step #3. On this Heart app, tap on Set Up Irregular Rhythm Notifications in Health.

Step #4. Next, tap on Set Up Notifications.

Step #5. Now tap on Continue from the bottom.

Step #6. The app will ask you to enter your date of birth. Moreover, it also asks you to inform the app if you have ever been diagnosed with atrial fibrillation by your doctor. Here, you can select Yes or No, and then tap on Continue.

Step #7. In the next few screens, the app will share some information related to how this feature works and what you should know about it. Keep tapping Continue or Next.

Step #8. Finally, tap on Turn on Notifications.

Once you set up the irregular heart rate notifications, you can go back and check irregular heart rhythm notification data: On iPhone → Open Health App → Tap on Health Data → Scroll down to Irregular Rhythm Notifications.

How to Export ECG Results to PDF and Share it with Doctor

So you have taken your ECG on your Apple Watch. Having seen some irregularity in your heartbeat, you may wish to see your doctor first. But before you rush to the hospital, you can share your ECG results with your doctor.

Step #1. After taking an ECG on your Apple Watch, go to the Health app on your iPhone.

Step #2. Tap on Health Data from the bottom menu.

Step #3. Next, tap on Electrocardiogram (ECG.)

Step #4. Now tap on ECG result you wish to send to your doctor.

Step #5. The screen will show you ECG Detail; on this screen, you will see the option “Export a PDF for Your Doctor.” Tap on this option.

Step #6. Tap on the Share button from the top right corner of your phone screen.

Step #7. Two row of options will swipe up from the bottom; you can select any one option to send the PDF.

You can choose Message or Email to export the PDF to the doctor. Your doctor will receive the ECG in PDF format.

When to Use ECG on Apple Watch

ECG feature is not for fun. You should use it judiciously when you need it. You can use ECG on your Apple Watch when you are feeling symptoms like rapid or skipped heartbeat; when you have some concerns about your health; when you get irregular heart rhythm notifications.

That’s all friends!

Summing up…

Apple’s run to chase the health and fitness industry is commendable. By adding new features and technology, the tech giant is making users’ life healthier and more comfortable. ECG on Apple Watch is a welcome feature; fitness lovers would surely use this feature on their latest watches.

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What feature would you like to see in the next Apple Watch? Do you think medical practitioners would accept the ECG results taken on Apple Watch Series 4? Do share your feedback with us on Facebook and Twitter. Also, make sure to download our app to read more informative contents.

Jignesh Padhiyar
Jignesh Padhiyar is the co-founder of who has a keen eye for news, rumors and all the unusual stuff that happens around Apple products. During his tight schedule, Jignesh finds some moments of respite to share side-splitting contents on social media.
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