<prompt> An alcoholic addicted presents in an emergency with irrelevant talking disoriented to time, place and person. There is ho not taking alcohol from last 3 days no head injury. He also has a visual hallucination. The diagnosis -Dementia praecoxDelirium tremensSchizophreniaKorsakoff psychosis  <response>: Disorientation and visual hallucinations after 3 days of alcohol abstinence, in an alcoholic, suggest the diagnosis of delirium tremens. 