octanoic acid breath test

octanoic acid breath test

a breath test for gastric emptying. The patient is administered a test meal containing octanoic acid labeled with carbon 13, and the breath is assessed at intervals for levels of labeled carbon dioxide; excessive carbon dioxide is seen when gastric emptying is inadequate.
References in periodicals archive ?
Measurement of gastric emptying rate of solids by means of a carbon-labeled octanoic acid breath test.
13]C] octanoic acid breath tests, where calculation of the gastric emptying parameters by nonlinear regression analysis was based on [sup.