Extracting the contents of the stomach using a probe. It is used for diagnostic purposes in cases of suspected gastric or duodenal disease, in conditions accompanied by impaired gastric function, and also as a treatment method (gastric lavage in case of poisoning, nutrition of patients in an unconscious state, etc.).
The procedure can not be performed with gastric bleeding, narrowing of the esophagus, aortic aneurysm (protrusion of the aortic wall or expansion of its area), severe heart disease, hypertension, pregnancy, etc.
A patient sitting on a chair is injected with a thin probe to the root of the tongue, then they are offered to gradually swallow it to a certain mark. After that, the contents of the stomach are pumped out for an hour, thus examining the work of an empty stomach. Then a gastric secretion irritant is used, usually a decoction of cabbage. After that, the contents of the stomach are also pumped out for an hour, examining the work of the stomach after eating. It must be remembered that gastric sounding should be prepared in the same way as duodenal sounding (see above).