basal acid output

basal acid output (BAO)

the minimum amount of gastric hydrochloric acid produced by an individual in a given period. Normal adult volume is 2 to 5 mEq/hr. It is used infrequently in the diagnosis of various diseases of the stomach and intestines, such as gastric ulcers and Zollinger-Ellison syndrome.

basal acid output

Production of gastric H+ under baseline conditions, normal: 0-10 mmol/hour. The BAO serves to evaluate the completeness of vagotomy; patients with Zollinger-Ellison syndrome have a ratio of basal to maximal acid output (BAO:MAO) of > 60%. BAO is also increased in pernicious anaemia, gastric cancer, myxoedema and rheumatoid arthritis.

basal acid output

BAO Production of gastric H+ under baseline conditions, normal: 0-10 mmol/hr; BAO serves to evaluate the completeness of vagotomy; Pts with Zollinger-Ellison syndrome have a ratio of basal to maximal acid output–BAO/MAO of > 60%; BAO is also ↑ in pernicious anemia, gastric CA, myxedema, rheumatoid arthritis. Cf MAO, PAO.
References in periodicals archive ?
The basal acid output in normal Indians is significantly lower (~ pH 3.
Comparison of basal acid output in different populations Basal acid output * Duodenal Control ulcer Delhi Present 2.