Mass General Trauma Chief Talks Disaster Drills, Shrapnel

Aired: 4/16/2013 | 0:06:51 | Clip
Hari Sreenivasan talks to Dr. George Velmahos, chief of trauma services at Massachusetts General Hospital, about the emergency medicine administered to victims of the Boston Marathon bombing, how his staff had prepared for such a disaster and an overview of the various serious injuries sustained.