According to a news report from IANS, the medical fraternity on Friday welcomed the arrival of the ECG app and irregular rhythm notification feature on Apple Watch for users in India, stressing that it will make people more aware about their heart health.
Although the Apple Watch will not provide a final conclusion into whether a person is actually suffering from Atrial fibrillation (AFib) — irregular heartbeat that can lead to blood clot formation in the heart which then embolises to the brain causing stroke — the readings will make more Indians consult their physicians about their heart health, doctors feel.
Although accurate worldwide estimates are lacking, calculations suggest that over one per cent of the adult population is affected in the developed world, wrote Vijay Bohra, Gautam Sharma and Rajnish Juneja from Department of Cardiology at All India Institute of Medical Sciences (AIIMS) in their research.
The trio wrote: "In our country, there is virtually no data on AF (AFib), most of the data that has been derived is from international studies with an Indian cohortf," adding that there is "indeed a dearth of data on epidemiologic outcomes in patients of rheumatic AF in the country leading to inconsistent practice patterns as regards medical therapy, especially oral anticoagulation."
According to Mukesh Goel, Senior Consultant, Cardio Thoracic & Vascular Surgery, Indraprastha Apollo Hospitals, AFib is more prone in those patients who are predisposed to have AFib and stroke.
Goel further told IANS, that "Generally, we do holter monitoring (a small, wearable device that keeps track of your heart rhythm) or extended holter monitoring which is a 24-hour ECG monitoring system, to detect AFib in the patients. However, it is not always necessary that these 2-3 episodes of AFib will occur during the time of the holter monitoring. Hence, in such cases, Apple Watch will be playing a vital role in detecting AFib in time."
"Having said this, a person must wear the Watch both during day and night so that the occurrence of AFib is detected well in time," Goel suggested.
Sanjiv Bhardwaj, Associate Director, Department of Interventional Cardiology at Jaypee Hospital Noida said that smartwatches and fitness bands are now playing a vital role in updating the users about their heart health and the possible risk factors related to cardiovascular diseases.
Bhardwaj told IANS that "Advanced and modern features like an ECG app and irregular heart rhythm monitor will surely be a huge help to the users. They can easily get the notifications about their heart rhythm and its classification in less than a minute.
The results can be shared with the doctors so that any major complication can be averted."
With watchOS 6, the irregular rhythm notification feature on Apple Watch Series 4 and the the new Series 5 will use the optical heart sensor to occasionally check the user’s heart rhythm in the background for signals of an irregular heart rhythm that appears to be AFib.
If irregular heart rhythm such as AFib is identified on five rhythm checks over a minimum of 65 minutes, a notification will be generated to alert the user.
Aparna Jaswal, Associate Director, Cardiology & Electrophysiology, Fortis Escorts Heart Institute, New Delhi stated for the report that "Technology is moving at lightning speed and Apple is surely abreast with it. Rhythm identification via the phone is no longer a dream. Apple Watch will help identify AF and rhythm disorders and this will surely help in early identification of disease."
The irregular rhythm notification feature was recently studied in the Apple Heart Study. With over 400,000 participants, the Apple Heart Study was the largest screening study on atrial fibrillation ever conducted.
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