![]() ![]() ![]() Here's why:ĬNET Senior Editor Vanessa Hand Orellana gets hooked up to a 12-lead ECG. While these features are a big step in giving everyday consumers access to preventative medical tests outside of the doctor's office, neither of these methods are a replacement for going to the doctor or using any monitor that your doctor may give you ( and Apple agrees). When you place your fingertip on the electrode, it creates a closed circuit from finger to heart to wrist and allows the watch to record the electrical impulses that make your heart beat. This feature replicates a single-lead ECG with a titanium electrode in the watch's Digital Crown and a layer of chromium silicon carbon nitride on the back of the watch. The Apple Watch can also detect possible AFib via its ECG app. Iwatch heart monitor series#Sample screens from the Apple Watch Series 4's ECG app. If the Apple Watch detects signs of an irregular rhythm five out of six times in a row within 48 hours, you'll receive an irregular rhythm notification. Occasionally throughout the day - about every two hours, depending on your activity levels - the Apple Watch will check your heart rhythms, looking for arrhythmia, which occurs if these impulses don't work properly, causing your heart to beat too fast, too slow or irregularly. It's able to check your heart rhythms, or the electrical impulses that coordinate your heartbeat, for any irregularities. The Apple Watch can be a useful tool for monitoring your heart health, but it has limitations. In the younger population, if they don't have two or more risk factors then identifying them is nice but it's not going to prevent a stroke." The Apple Watch is not a replacement for medical care "But we have to have a highly sensitive and specific way of doing it. Anthony Pearson, a Missouri-based board-certified cardiologist. "I'm an advocate of identifying asymptomatic atrial fibrillation, especially in high-risk populations," says Dr. You can read some of the comments from the medical community here, here and here. Especially when that technology is still so new and based on studies that haven't been published in peer-reviewed journals. Venkatesh Murthy, professor of preventive cardiology at the University of Michigan, estimates that 90% of irregular rhythm alerts in younger groups are false alarms.Īs a result, experts worry that putting Apple's screening technology on the wrists of millions of people who are likely to be young and healthy could increase the risk of overtreatment. The Apple Watch Series 4 puts a one-lead ECG on your wrist.īut when the US Preventive Services Task Force weighed the potential benefits (early detection) against the potential harms (misdiagnosis, additional testing, invasive procedures and overtreatment), it found that the available evidence was too inadequate to support a conclusion one way or the other.Īnd because most of the AFib and stroke prevention studies have focused on the older populations who are most at risk, even less is known about the value of screening for AFib in healthy individuals under age 65. The American Heart Association and the American Stroke Association has found that screening for AFib in the primary-care setting among people older than 65 years of age using pulse assessment followed by ECG, if warranted, can be useful. ![]() Experts are unsure whether widespread screening for AFib is beneficial ![]() However, the Apple Watch has, on multiple occasions, alerted people both young and old about heart issues they didn't know existed. This is all to say that if you're young, healthy and don't already have any diagnosed health problems, you might not experience significant benefits from the ECG app, or the watch's other heart rate features. ![]()
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