title: The confused patient: psychological responses in critical care units.
mesh_terms: D000430:Alcohol Withdrawal Delirium / Q000150:complications; D001007:Anxiety / Q000150:complications; D003072:Cognition Disorders / Q000451:nursing*; D003221:Confusion / Q000175:diagnosis / Q000209:etiology / Q000451:nursing*; D003422:Critical Care / Q000523:psychology*; D005059:Euphoria; D006801:Humans; D008297:Male; D008875:Middle Aged; D012892:Sleep Deprivation