Abstract
According to the data from Turkish Statistics Institute in 2004, 350432 patients with peptic ulcer, gastritis, duodenitis, appendicitis, intestinal obstruction and hernia, all of whom presented with abdominal pain, were hospitalized. Among all the hospitalized patients, the rate of hospitalization due to these diagnoses was 5,73% in 2004. Of the patients with abdominal pain, 30% still has not received a definitive diagnosis. This review aimed to discuss the pathologic mechanisms that underlie under abdominal pain and to describe correct methods of diagnosis by defining severe and non-severe findings of those admitted with abdominal pain.