[Additional diagnostic symptoms of perforated peptic ulcer].

Utilization of abdominal puncture after the author's technic and the analysis of pathological peritoneal content enabled the recognition of a number of signs typical for perforated gastroduodenal ulcer, which are described in this communication. Such conclusion was drawn based on the use of punctures in 167 patients and examination of the peritoneal exudate in 375 patients with different surgical affections of abdominal organs.