maximum gastric secretion

After the basal gastric juice was pumped, the pentagastrin gastrin was injected intramuscularly by the body weight, and the gastric juice was successively taken 4 times, once every 15 minutes, for a total of 4 times. The gastric acid content was measured separately and the total amount was calculated. Basic Information Specialist classification: Digestive examination classification: other examinations Applicable gender: whether men and women apply fasting: fasting Tips: Actively cooperate with the doctor's work. Normal value 3 to 23 mmol/h. Clinical significance Reduce the incidence of gastric cancer, pernicious anemia and chronic atrophic gastritis. Increased in duodenal ulcer, if significantly elevated (> 40mmol / h), suggesting that there will be bleeding, perforation and other complications. Low results may be diseases: liver and stomach disharmony, gastric cancer, duodenal ulcer, chronic gastritis, high results may be diseases: atrophic gastritis precautions Before the test: 24 hours before the test, use all drugs that can affect the secretion of gastric juice, fasting for 12h. Then, the stomach juice on the fasting morning was discarded, and all the gastric juice in 1 hour was collected continuously, and the amount was recorded in a small bottle and sent for inspection. At the time of examination: after the BAO specimen was taken, MAO was intramuscularly injected with pentagastrin gastrin. The dose was calculated according to the weight of 6μg/kg body weight. A sample was collected every 15 minutes for 4 times and sent to the bottle with 4 partial marks. . Inspection process (1) On the day before the analysis of gastric juice, various drugs that affect the secretion of gastric juice, such as atropine and probensin, were stopped. Fasted and banned after dinner (12 hours). (2) Checking the stomach in the morning on the morning, inserting the stomach tube from the nostrils, when the stomach tube is inserted into the pharyngeal gorge, there is often a feeling. At this time, the patient should take the active spring pharyngeal movement, and the operator will insert the stomach tube into the esophagus. If you have a sense of care through the pharyngeal gorge, deep breathing can be alleviated. When the stomach tube enters the esophagus and enters a length of about 56 cm, the gastric juice can be withdrawn, indicating that it has reached the stomach cavity. If there is a disease in the nasal cavity that cannot be inserted, it can also be inserted through the mouth. (3) Drain the fasting gastric juice. Then, the gastric juice was continuously extracted for 1 hour, the gastric juice was kept in the container, and the gastric acid was measured and measured. The gastric juice is usually taken once every 15 minutes for 4 times. The sum of gastric acid is called the amount of basal gastric acid secretion, expressed as BAO. The normal value is less than 5mmo1/hour. (4) Use a stimulant such as subcutaneous injection of histamine or subcutaneous injection of five gastrin. The gastric juice was then continuously aspirated, and the gastric juice was collected once every 15 minutes for 4 times. After the injection of the gastric acid stimulating agent, the total amount of gastric acid secretion collected four times in one hour is called the maximum gastric acid excretion. According to MAO, normal males were 18.02±8.84 mmo1/hour, and females were 13.43±7.98 mmo1/hour. The highest gastric acid output in two consecutive 15 minutes in 4 specimens was multiplied by 2, which is called the peak acid output, expressed as PAO. According to the application of the stimulant can be divided into 1 histamine test: subcutaneous injection of histamine phosphate 40 μg / kg body weight. 2 five gastrin test: the injection dose is 6 micrograms / kg body weight. Previously, a trial test was used, such as eating half a taro or two slices of bread and 400 ml of warm boiled water. Therefore, the method is not accurate and is not used now. (5) Inspection: The gastric juices taken at different times are examined, including general traits (color, taste, etc.), gastric acid determination, occult blood test, bacterial detection, and various cell analysis such as tumor cells. Not suitable for the crowd Generally there are no people who are not suitable. Adverse reactions and risks Generally no adverse reactions.

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