Pressure and oxygen saturation (IMAGE) University of Gothenburg Caption The pressure and oxygen saturation were measured on the front of the lower leg. Credit Illustration by Pontus Art Production Usage Restrictions For editorial use, ni commercial use. License Original 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.