newVideoPlayer( {"type":"video","player":"http://www.youtube.com/v/-zqW3zQO9xg&hl=en&fs=1&hd=1","customParams":[] ,"width":500,"height":332.5,"ratio":0.615,"flashData":"","embedName":null,"objectId":null,"noEmbed":false,"source":"youtube","wrap":true,"agegate":false} ); Currently, if a cardiac patient’s heart rate gets too high the implanted defibrillator in their chest gives them a friendly remedial shock to avoid a heart attack. But that could soon change—by giving hearts their very own IP addresses.