COPENHAGEN, DENMARK–A new systematic review suggests that early defibrillation by lay-bystanders may roughly double the number of survivors after an out-of-hospital cardiac arrest (OHCA) vs. emergency first responders. After examining data from 41 observational studies, Danish investigators found a median survival to hospital discharge of 53% when lay-bystanders deliver defibrillation and 28.6% when delivered by professional first responders including police and firefighters. Read the full article HERE .http://www.sca-aware.org/sca-news/bystander-use-of-aeds-could-double-the-number-of-survivors