602: MEASURED VERSUS ESTIMATED ENERGY EXPENDITURE IN CRITICALLY ILL VENTILATED SURGICAL-TRAUMA PATIENTS. (16th December 2021) - Kamel, Amir; Truong, Jessica; Robayo, Laura; Rosenthal, Martin; Efron, Philip; Ghita, Gabriela; Brumback, Babette; Mohr, Alicia; Croft, Chasen; Moore, Frederick; Brakenridge, Scott