Apple Heart Study Ends for Some Early Participants Ahead of January Completion Date
Over the weekend, Apple informed some users who signed up to its Apple Watch Heart Study that their contributions were complete.
An app notification thanked them for their participation and asked them to complete an exit-survey about the study, which first launched in November 2017.
The study in collaboration with Stanford Medicine was offered to anyone in the United States who was 22 years older with an iPhone 5s or later and an Apple Watch Series 1 or later. Atrial fibrillation, a common form of heart arrhythmia that is covered in the study, can indicate serious medical conditions like heart failure and stroke.
Participants were instructed to download and install the Apple Heart Study app and wear their Apple Watch. When an irregular heart beat is detected, a consultation with a Study Telehealth provider from American Well is offered, with some people asked to wear an ePatch monitor for up to seven days for further investigation.
Apple closed the study to new participants at the beginning of last month. In a prior announcement, Apple said the study would not end until January 1, 2019, but it looks as though the participants who received the notifications over the weekend all enrolled early, suggesting that data collection is winding down over stages as the end date approaches.
Rumors have suggested that 2018 Apple Watch Series 4 models will include enhanced heart rate detection features that could improve the smartwatch's ability to detect diseases linked to higher heart rates and abnormal heart rhythms, but what form the enhanced heart rate features will take remains unclear.
Design wise, the Apple Watch Series 4 looks similar to the Series 3 models, but the display will be bigger, allowing more space for watch faces and complications, as confirmed last week in an image leaked by Apple.
Popular Stories
Apple's online store is going down for a few hours on a rolling country-by-country basis right now, but do not get your hopes up for new products.
Apple takes its online store down for a few hours ahead of Black Friday every year to tease/prepare for its annual gift card offer with the purchase of select products. The store already went down and came back online in Australia and New Zealand, ...
Apple recently teamed up with Japanese fashion brand ISSEY MIYAKE to create the iPhone Pocket, a limited-edition knitted accessory designed to carry an iPhone. However, it is now completely sold out in all countries where it was released.
iPhone Pocket became available to order on Apple's online store starting Friday, November 14, in the United States, France, China, Italy, Japan, Singapore, ...
While all Macs are now powered by Apple's custom-designed chips, a new rumor claims that Apple may rekindle its partnership with Intel, albeit in a new and limited way.
Apple supply chain analyst Ming-Chi Kuo today said Intel is expected to begin shipping Apple's lowest-end M-series chip as early as mid-2027.
Kuo said Apple plans to utilize Intel's 18A process, which is the "earliest...
We've been focusing on deals on physical products over the past few weeks, but Black Friday is also a great time of year to purchase a streaming membership. Some of the biggest services have great discounts for new and select returning members this week, including Apple TV, Disney+, Hulu, Paramount+, Peacock, and more.
Note: MacRumors is an affiliate partner with some of these vendors. When...
Apple's first foldable iPhone is expected to launch alongside the iPhone 18 Pro models in fall 2026, and it's shaping up to include three standout features that could set it apart from the competition.
The book-style foldable will reportedly feature an industry-first 24-megapixel under-display camera built into the inner display, according to a recent JP Morgan equity research report. That...
Apple's disappointing iPhone Air sales are causing major Chinese mobile vendors to scrap or freeze their own ultra-thin phone projects, according to reports coming out of Asia.
Since the iPhone Air launched in September, there have been reports of poor sales and manufacturing cuts, while Apple's supply chain has scaled back shipments and production.
Apple supplier Foxconn has...
Cellular carriers have always offered big savings on the newest iPhone models during the holidays, and Black Friday 2025 sales have kicked off at AT&T, Verizon, T-Mobile, and more. Right now we're tracking notable offers on the iPhone 17, iPhone 17 Pro, iPhone 17 Pro Max, and iPhone Air. For even more savings, keep an eye on older models during the holiday shopping season.
Note: MacRumors is...
