Infographic (IMAGE) American College of Surgeons Caption An Increasing Use of Prehospital Tourniquets and Patient Survival: A Los Angeles Countywide Study Credit American College of Surgeons 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.