Brad Sutton, University of Louisville (IMAGE) University of Louisville Caption Brad Sutton, M.D., and colleagues at the University of Louisville have found that a lack of automated external defibrillator registration correlates with an increased chance that an AED could malfunction if needed. Credit University of Louisville 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.