tech2 News Staff
07. December 2018 10:55 AM IST
The Apple Watch Series 4 will now help US users take an electrocardiogram (ECG) directly from the wrist and capture the heart rhythm. They experience symptoms like a quick or skipped heartbeat and help to provide critical data for physicians.
"New electrodes in the Apple Watch Series 4 now allow customers to take an ECG directly from their wrist," Apple said Thursday.
"The ECG app on the Apple Watch Series 4 is now the first direct product that allows customers to take an electrocardiogram directly on their wrist," added the tech giant from Cupertino [1
The irregular rhythm notification feature of the Apple Watch may occasionally check cardiac rhythms in the background and send notification of irregular heartbeat that appears to be atrial fibrillation ( AFib) is identified.
If left untreated, AFib is one of the leading diseases that can lead to stroke, the second most common cause of death worldwide.
"The Apple Watch has helped so many people around the world, and we are humble that this has become an important part of our clients' lives," said Jeff Williams, Apple's chief operating officer.
"With the release of these heart functions, Apple Watch is taking the next step," he added. "
Apple worked with the US Food and Drug Administration (FDA) for several years to develop" De Novo " [ECG app] and irregular heart rhythm alert notification.
Both features are now available as part of a free update to watchOS 5.1.2.
Apple Watch Series 4 ECG App: How It Works
19659015] To record an ECG recording for rhythm notification at any time or after an irregular recording, open the new EVG app and hold your finger on the Digital Crown.
When you touch the Digital Crown, the circuit is complete and the electrical signals are measured via her heart.
"After 30 seconds, the heart rhythm becomes either AFib, sinus rhythm, or incoherent. All records, their associated classifications and any detected symptoms are securely stored in the health app on the iPhone. Users can share a PDF of the results with physicians, "Apple informed.
When using the Apple Watch Series 1 or higher optical heart sensor, the irregular rhythm feature occasionally checks the user's heart rhythm in the background for signs of arrhythmia irregular heart rhythm appears to be Fib and notifies the user when an irregular rhythm is detected during five rhythm checks over a period of at least 65 minutes.
"The role of this technology plays a role in capturing meaningful data for patients." Heart-to-heart, as is the case with an on-demand ECG, could be relevant to new clinical care models and shared decision-making between people and their healthcare providers, "said Nancy Brown, CEO of the American Heart Association  The ability of the ECG app to accurately classify ECG uptake into AFib and sinus rhythm has been confirmed in a clinical trial of approximately 600 participants.
The Irr Egular Rhythm Notification feature has been studied in the Apple Heart Study with over 400,000 subscribers, according to Apple.
Is the Apple Watch Series 4 ECG app certified for Indian use?
Not really. So far, the ECG app that lets you measure your electrocardiogram on the wrist has only been activated in the US. For activation in India, Apple would need the proper approval from the Indian authorities.
When the Apple Watch Series 4 was first announced, we spoke to Dr. Ing. Ashok Punjabi, a leading cardiologist from Mumbai, against whom some reservations were made The ECG data recorded by the app was used for medical diagnosis in India.
tech2: Does the ECG report of the watch have medical value?
Dr Ashok Punjabi: First, the report this wristwatch gives you is not an "ECG" in the traditional sense. It is a rhythm strip – a record of the heart's electromagnetic impulses over a period of time.
In a portable device, it is likely to be recorded with a single electrode (electrode), unlike a conventional ECG with 12 such electrodes.  It is not a substitute for an ECG when it comes to imagination. It could be useful as a screening tool for heart disease, but not much more than that.
tech2: Does FDA Approval Make It Reliable?
Dr Ashok Punjabi: FDA approval is definitely important to a product for safety and quality reasons. If the stringent tests and requirements of the FDA are passed, this is for a good reason.
But whether it is a reliable question is a completely different question.
tech2: Would you have a patient's ECG report?
Dr. Ashok Punjabi: Sure, I would watch it.
I see it as a screening tool, but not as a reliable scan for a medical diagnosis of any kind. For more serious illnesses, there are complex cardiac scans that rely on accurate results from an ECG. I would not make such decisions with a rhythm strip of a clock.
With input from IANS