253: EFFECT OF VV ECMO ON SEDATIVE REQUIREMENTS IN PATIENTS WITH SEVERE ARDS FROM SARS-COV-2 INFECTION. (16th December 2021) - Von Bulow, Jacqueline; Yeung, Siu Yan Amy; Armahizer, Michael; Chui, Sai Ho; Gibbons, Miranda; Pajoumand, Mehrnaz; Tabatabai, Ali; Anders, Megan