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Suggested protocol for resuscitation using PAC-derived data. O2ER, oxygen extraction ratio; PAC, pulmonary artery catheter; PAOP, pulmonary artery occlusion pressure; PEEP, positive end-expiratory pressure; SaO2, arterial oxygen saturation; SvO2, mixed venous oxygen saturation; VO2, oxygen consumption. From Pinsky and Vincent [14], with permission.
