This Is a Wearable Defibrillator...
A person with a heart ailment has gone into cardiac arrest ! Where is the nearest defibrillator? In this case... ...he user's heart activity. When the user goes into cardiac arrest , it squirts electrode gel onto the chest, then se...
https://www.neatorama.com/2016/01/02/This-Is-a-Wearable-Defibrillator/
