Monitoring Changes in Photoplethysmography During Lower Body Negative Pressure Induced Hypovolemia: Differences by Site and Sex Research Authors Emily Nagourney, Anna-Maria Eid, Kim Tran, Ahmad Ibrahim, Mohamed Elgamal, Kirk Shelley, Ayman Alian Research Date Fri, 1 May 2020 - 12:00 Research Department Department of Pediatrics Research Journal ANESTHESIA AND ANALGESIA 130 Research Member Ahmed Ibrahim mohammed Ibrahim