The United States Army Institute of Surgical Research (ISR) tracks every casualty from Iraq and Afghanistan, probing for injuries that may be preventable. One area of focus includes isolated extremity wounds. Col. Dr. Lorne Blackbourne, commander of the ISR in San Antonio, details key advances in field tourniquets and hemostatic agents that optimize outcomes for our soldiers. Are these products also being dispatched in civilian care settings? Find out more with host Dr. John Armstrong.