atrial fibrillation

By Dave Muoio 12:45 pm May 6, 2020
Fitbit announced this morning the launch of a new atrial fibrillation research study aiming to enroll hundreds of thousands of fitness-tracker and smartwatch owners. Called the Fitbit Heart Study, it will passively and continuously monitor wearers' heart rates using the devices' photoplethysmography (PPG) sensors. A proprietary algorithm will interpret these readings and flag potential...
By Dave Muoio 04:22 pm April 1, 2020
Belgium-based FibriCheck, the maker of apps that monitor a user's heart rhythm, announced yesterday that it has developed a new version of its smartwatch offering that is capable of scanning for atrial fibrillation while the wearer is asleep. FibriCheck said in a release that the updated app is currently nearing the end of user testing, and that it will be available for smartwatch manufacturers...
By Laura Lovett 11:51 am January 28, 2020
This morning digital cardiac health startup Eko announced that its atrial fibrillation and heart murmur detection algorithm landed a 510(k) FDA clearance. The new algorithms are designed to integrate with Eko’s stethoscope, which is already on the market, and be used by healthcare providers.  The company said it plans to add more algorithms in the future. Next up will be an ECG-based algorithm...
By Dave Muoio 02:57 pm January 2, 2020
On Apple and patents. A New York University School of Medicine cardiologist is unhappy with Apple Watch’s heart rate irregularity detection feature, which he claims in a new lawsuit infringes his own patent for atrial fibrillation detection technology. Filed in the US District Court for the Eastern District of New York on December 27, 2019, the suit describes Dr. Joseph Wiesel’s invention and his...
By Dave Muoio 03:43 pm September 24, 2019
Fitbit and Belgium-based FibriCheck announced today that device owners living in certain UK countries now have access to a smartwatch app that uses photoplethysmography (PPG) to detect heart rhythm irregularities such as atrial fibrillation. Available in Belgium, the UK, the Netherlands and Ireland, the CE-marked tool is similar to FibriCheck’s smartphone app in that it uses light and sensors to...
By Laura Lovett 12:08 pm September 5, 2019
Alphabet’s life science branch Verily is teaming up with digital health startup iRhythm on a new initiative focused on creating screening, diagnosis and management tools for patients with atrial fibrillation.  The collaboration is specifically targeted at alerting patients with asymptomatic or silent atrial fibrillation about their condition. The goal is to develop products that not only identify...

Photo credit: Cardiogram 

By Laura Lovett 10:00 am April 24, 2019
Today Cardiogram, maker of a smartwatch app that uses a deep neural network technology to detect various heart conditions, announced that it has cut a deal with Oscar Health — the first such healthcare insurer agreement for the startup.  As part of the new agreement, Oscar Health members will be able to enter their insurance information and then download the Cardiogram app. While the Cardiogram...
By Dave Muoio 12:29 pm March 18, 2019
This weekend, Stanford Medicine researchers presented the long-awaited results of the Apple Heart Study, which explored the performance of the Apple Watch’s heart rate sensor and an accompanying algorithm in detecting potential arrhythmias. Funded by Apple and launched back in 2017, the research project enrolled 419,297 Apple Watch and iPhone owners. Among these users, 2,161 (roughly 0.5 percent...
By Jonah Comstock 11:28 am January 7, 2019
According to a new study published this morning in Nature, an algorithm trained via a deep neural network has been able to perform on par with board-certified cardiologists at the annotation of 12 different types of heart rhythms. Researchers from Stanford University and iRhythm collaborated for the study, which detailed an algorithm trained on 91,232 30-second single-lead ECG readings from 53,...
By Jonah Comstock 12:32 pm December 6, 2018
As predicted, the Apple Watch's version 5.1.2 update went live today, giving anyone in the United States with an Apple Watch Series 4 the ability to take an ECG reading on the wrist. Alongside the active ECG, the Watch's passive irregular rhythm detection feature launched today as well. "We are confident in the ability of these features to help users have more informed conversations with their...