Penn Medicine's MyHeartMap Challenge (IMAGE) University of Pennsylvania School of Medicine Caption Penn Medicine's MyHeartMap Challenge, a crowdsourcing contest that sent hundreds of Philadelphians to locate and catalog the locations of AEDs throughout the nation's fifth largest city led to the identification of more than 1,400 automated external defibrillators in public places. Credit Penn Medicine Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.