STAT MedEvac (image) University of Pittsburgh Schools of the Health Sciences Share Print E-Mail Caption A STAT MedEvac medical helicopter takes off from the UPMC Presbyterian Hospital helipad. A University of Pittsburgh-led clinical trial determined that two units of blood plasma given to trauma patients on a medical helicopter boosts their odds of survival by 10 percent. Credit Tim Betler/UPMC Usage Restrictions Release is embargoed until 5 p.m., Wednesday, July 25, 2018 Share Print E-Mail 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.