Paula Flud of the Non Invasive Cardiology department at John Muir Medical Center in Concord, explains the Echo machine, ultra sound to the heart, in the stress room inside their new Nuclear Medicine and Non-Invasive Cardiology department that opened in March in Concord, Calif., on Thursday, April 24, 2014. The new state-of-the-art diagnostic equipment, will collect data faster, limits radiation exposure and decrease scan times by more than 1/2, improving the patients experience. (Dan Rosenstrauch/Bay Area News Group)