FIELD: medicine. SUBSTANCE: method involves determining degree the rate and dynamics of carbohydrate, protein, fat test breakfast evacuation difference. Evacuation activity of the gastroduodenal complex is determined with sonography techniques. Motor activity of antral segment in evacuation process is additionally determined by measuring its cross- section area during maximum contraction and relaxation periods. Stomach cross-section area and height of stomach contents are determined. Disorders in the test breakfast evacuation sequence being found when compared to norm, functional disorder state of gastroduodenal complex is considered to take place. EFFECT: enhanced accuracy of prognosis; accelerated method.
