Sequential radiographs can be used to determine when the front of the barium label reaches different regions of the digestive tube. Radiography following a barium-labelled meal.Not surprisingly, differing estimates have been reported depending on the technique used and the population of subjects being evaluated. Several techniques have been used to measure transit times in humans and animals. Finally, transit time is influenced by such factors as psychological stress and even gender and reproductive status. Second, the time required for material to move through the digestive tube is significantly affected by the composition of the meal. How long does food stay in my stomach? How long is it before a meal reaches the large intestine? The answer to such commonly-asked questions is not necessarily simple.įirst, there is considerable normal variability among healthy people and animals in transit times through different sections of the gatrointestinal tract. Digestive System > Stomach Gastrointestinal Transit: How Long Does It Take?
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