'Alexa, Monitor My Heart': Researchers Develop First Contactless Cardiac Arrest AI System for Smart Speakers

Almost 500,000 Americans die each year from cardiac arrest, when the heart suddenly stops beating.People experiencing cardiac arrest will suddenly become unresponsive and either stop breathing or gasp for air, a sign known as agonal breathing. Immediate CPR can double or triple someone's chance of survival, but that requires a bystander to be present.