[Urgent care: psychiatry].

This text gives advice on how to take a history of present illness, do a mental status examination and come to a correct diagnosis in psychiatric emergencies. Certain syndromes are described that form the most common energency situations: suicidal ideations, agitation, danger to others, confusion, delirium, intoxications and substance withdrawal and stupor. Each situation is described in detail, its prevalance is noted and recommendations are made for appropriate interventions.