Gastroparesis overview

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Gastroparesis is a medical condition consisting of a paresis (partial paralysis) of the stomach ("gastro-"), resulting in food remaining in the stomach for a longer period of time than normal. Normally, the stomach contracts to move food down into the small intestine for digestion. The vagus nerve controls these contractions. Gastroparesis may occur when the vagus nerve is damaged and the muscles of the stomach and intestines do not work normally. Food then moves slowly or stops moving through the digestive tract.