[Examinations of upper gastrointestinal bleeding - value of emergency endoscopy (author's transl)].

The treatment of the acute upper gastrointestinal bleeding can be improved by using standardized immediate actions, as there is endoscopy in emergency diagnostics. Endoscopy gives much higher certainty in pre-operative diagnostic, better possibility of planning and more exact timing of the operation. Therefore emergency endoscopy should be done in any case of acute upper gastro-intestinal bleeding.