Kazan medical journalKazan medical journal0368-48142587-9359Eco-Vector6142110.17816/kazmj61421Research ArticleOn the method of studying the absorption capacity of the small intestine in a clinical settingRyabovV. I.<p>Department of Hospital Therapy</p>info@eco-vector.comIzhevsk Medical Institute1407196546427282002202120022021Copyright © 1965, Ryabov V.I.1965<p>We studied the absorption capacity of the upper small intestine using the following tests:<br />1. Potassium iodine test. 20 ml of a 2% solution of potassium iodide is injected intraduodenally and every minute its presence in saliva is determined using the iodine-starch reaction.<br />2. Samples with radioactive iodine. 2 curie Nal <sup>131</sup> is injected into the duodenum and the absorption of radioiodine by the thyroid gland is recorded within 15 minutes.<br />3. Ether test. The moment of feeling the smell of ether from the respiratory tract after the intraduodenal administration of 1.5 ml of ether in saline is noted (N. Benda test, 1954).</p>Kazan Medical archiveКазанский медицинский архив