Høiseth, Lars Ø Tissue oxygen saturation and finger perfusion index in central hypovolemia: influence of pain. [electronic resource] - Critical care medicine Apr 2015 - 747-56 p. digital Publication Type: Journal Article; Research Support, Non-U.S. Gov't ISSN: 1530-0293 Standard No.: 10.1097/CCM.0000000000000766 doi Subjects--Topical Terms: AdultFingers--blood supplyHumansHypovolemia--metabolismLower Body Negative PressureOximetryOxygen--metabolismPain--physiopathology