Tech How to use the ECG feature on Apple Watch Series 4 Published 5 days ago on December 6, 2018 By Jamie Hendricks Share Tweet The Series 4 is the first truly big update to the Apple Watch line. It changes everything: the display, size, the shape, the sensors, the processor, the speaker and microphones—you name it. It truly elevated Apple’s wrist-wearable to a new level, but its most exciting new feature has been missing action since the Series 4’s September launch. With today’s release of watchOS 5.1.2, though, that feature is finally here. Apple has given us the first smartwatch with a built-in electrocardiogram (ECG) feature (and they say Apple doesn’t innovate anymore!). Here’s what you need to know about ECG on the Apple Watch Series 4. How to take an ECG reading Once you have updated your Apple Watch Series 4 to watchOS 5.1.2, you’ll notice there’s a new ECG app. The first time you run that, you’ll be prompted to open the Health app on your iPhone. IDG The first time you launch the ECG app, you’ll be prompted to complete setup on your iPhone. In the iPhone app, you’ll be prompted to set up the ECG app by entering your age, as the app is not approved for use by people under 22 years old. You’ll then pass through several screens describing the kinds of results you may see: Sinus Rhythm, Atrial Fibrillation, Low or High Heart Rate, or Inconclusive. After passing through several more screens with explanations and warnings, you will be prompted to take your first ECG. IDG The initial ECG setup process on your iPhone explains the results and warns you about the limitations of the Apple Watch ECG. To take the ECG, first make sure your Apple Watch is snug—a loose band can cause a bad reading. The open the ECG app on your Series 4 Apple Watch. When you see the cloud of dots form a heart, touch your finger to the digital crown and hold it there for 30 seconds. You’ll see a countdown on your watch. At the end, you’ll see a summary showing what kind of rhythm was detected, and a notification on your iPhone to see more detailed results in the Health app. IDG After taking your ECG reading for 30 seconds (inset), you’ll find detailed results in the Health app on your iPhone. Important details about ECG on Apple Watch While the ECG feature is indeed slick and useful, you should keep a few things in mind. It’s only for the U.S. (for now) The ECG app only appears on Series 4 Apple Watches in the United States and U.S. territories because it has been given clearance by the Food and Drug Administration. Apple says it is working with other regulatory agencies around the world to bring the feature to other regions, but has given no indication as to when that might happen. Some users in countries outside the U.S. report success enabling the feature by simply changing their watch’s region. To do this, open the Watch app on your iPhone, tap General, then Language & Region, and set your region to United States. You may have to restart your Apple Watch afterward by pressing and holding the side button until the Power Off slider appears, and then sliding that. Then press the side button again to start it up. This is not a medical-grade ECG Apple’s single-lead ECG may give you a tip that you should visit your doctor, but it is definitely no substitution for professional medical diagnoses. Apple’s warning during the setup process is clear: These results are not a diagnosis. Do not change any medications or treatment without talking to your doctor. If you receive a warning about an irregular heart rhythm or rate, you should make a doctor’s appointment to get a proper exam. An ECG is not a total picture of your heart health The ECG feature is simply a means of detecting atrial fibrillation (one of the more common irregular heart beat conditions) or a particularly low or high heart rate. It does not detect all heart conditions, and there’s no reason to think that you have perfect heart health just because your ECG reading comes back “Sinus Rhythm” every time. Again, Apple provides a clear warning: The ECG app does not detect a heart attack, blood clots, a stroke or other heart-related conditions including high blood pressure, congestive heart failure, high cholesterol or other forms of arrhythmia. Do not assume that good readings from the Apple Watch ECG app means that nothing is wrong. If you suspect you may have any sort of heart problem, you should contact your doctor for proper tests and diagnosis. This story was originally published by Macworld Share this:Click to share on WhatsApp (Opens in new window)Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on Google+ (Opens in new window)Click to share on Telegram (Opens in new window)Click to share on Reddit (Opens in new window)Click to share on Skype (Opens in new window) Related Related Topics:AppleApple WatchiPhone/iPadWearables Up Next Qualcomm’s Snapdragon 8cx for PCs aims to overcome the performance gap Don't Miss Facebook’s Board Wrote Soros’ Foundation A Letter Fully Supporting Sheryl Sandberg Continue Reading You may like Epic Games removes ‘Infinity Blade,’ location tracking in apps, and best Apple holiday gifts Epic Games cuts the once-loved ‘Infinity Blade’ series from the App Store Save up to $140 on the new MacBook Air at Amazon Follow Us On Flipboard Magazine. 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