ICU CONFUSION:
ICU psychosis
Cardiac output low [hypotension, post cardiac arrest]
Uncontrolled temperature [hypo/hyperthermia]
Convulsion [post ictal]
Oxygen [hypoxia, hypercarbia]
Nociception [pain]
Full bladder
Uremia
Sugar [hypo/hyperglycemia]
Infection
Opiates
Natremia [hypo/hyper]