Delirium Delirium

Delirium is marked by short-term Delirium is marked by short-term confusion and changes in cognition. confusion and changes in cognition. There are four subcategories based There are four subcategories based on several causes: (1) general on several causes: (1) general medical condition (e.g., infection); medical condition (e.g., infection); (2) substance induced (e.g., cocaine, (2) substance induced (e.g., cocaine, opioids, phencyclidine [PCP]); (3) opioids, phencyclidine [PCP]); (3) multiple causes (e.g., head trauma multiple causes (e.g., head trauma and kidney disease); and (4) and kidney disease); and (4) delirium not otherwise specified delirium not otherwise specified (e.g., sleep deprivation). (e.g., sleep deprivation).