<prompt> Which of the following is a psychiatric emergencyCapgras syndromeSuicideAcute schizophreniaCocaine use  <response>: Suicide is a psychiatric emergency. Suicide is preventable and can be identified early using a scale called as SAD PERSONS scale. Other impoant psychiatric emergencies are neuroleptic malignant syndrome Serotonin syndrome Agitated patient Ref.Kaplon and sadock, synopsis of psychiatry, 11 th edition, pg no. 763 