Glen Ford, U.S. Army Medical Department Activity medical instrument specialist, adjusts and properly places a lead a patient before an electrocardiogram at Fort Eustis, Va., Feb. 11, 2015. An EKG can find heart complications on a patient that comes in with signs of heart issues, such as numbness in an arm, or chest pain. (U.S. Air Force photo by Senior Airman Kimberly Nagle/Released)