TY JOUR TI CLINICAL DEMONSTRATION OF THE HYSTEROSCOPIC INTRAVASCULAR ABSORPTION SYNDROME KW The paper deals with the operative hysteroscopic intravascular absorption – OHIA KW which can occur during hysteroscopic procedures. The paper presents a clinical demonstration of a complication in the form of pulmonary edema and hyponatrenia after performing a hysteroresectoscopy with removal of the endometrial polyp in a 67-year-old patient. The methods of treatment are described. Possible causes and risk factors of the OHIA-syndrome development are analyzed JO Medical Bulletin of the Ministry of Internal Affairs AU Yamshchikov, O.. AU ZAKURNAEVA E., E.I. AU MARChENKO, A.P. AU KLYuChENOK, T.V. AU MARChENKO, N.A. PY 2025 IS 2025 PB State institution Joint editorial office of the Ministry of Internal Affairs of Russia