Smart speakers detect signs of cardiac arrest

Smart speakers such as Amazon Alexa could soon alert emergency services to individuals experiencing cardiac arrest, which results in around 500,000 US deaths per year.
Researchers at the University of Washington have developed an algorithm for a smart speaker or smartphone lets the device detect the sound of agonal breathing and call for help (Image: Sarah McQuate/University of Washington)People experiencing cardiac arrest will either stop breathing or gasp for air, a sign called agonal breathin