Breath hydrogen excretion has been used as a sensitive test in certain conditions where there is carbohydrate malabsorption, such as lactose intolerance. Nitrogen is found in the gastrointestinal tracts of those individuals who swallow air without ingesting food (aerophagia). Most of this air is immediately belched out, but a small fraction is retained by the stomach.
|Original language||English (US)|
|Number of pages||17|
|State||Published - Dec 1 1983|
ASJC Scopus subject areas
- Geriatrics and Gerontology