Non-invasive wearable devices might be able to predict preterm birth by monitoring changes in maternal heart rate variability. D.M.P., S.R.J., and E.R.C. are employed by the commercial company WHOOP ...

Most people don't know they're at risk for sudden cardiac arrest until they've had an episode, like a heart attack. Then, those patients sit and wait for surgery to get a permanent defibrillator or ...

Credit: Element Sciences. The system uses a proprietary algorithm to detect and classify shockable arrhythmias. The Jewel Patch-WCD is designed to be worn continuously for up to a week at a time ...

Isy Sonabend suffered a heart attack and cardiac arrest, initially mistaking symptoms for indigestion. The LifeVest, a wearable defibrillator, detected his episode and delivered life-saving shocks to ...