Kazan medical journalKazan medical journal0368-48142587-9359Eco-Vector5794310.17816/kazmj57943EditorialOscillatory indicator diagnostic valueMarcuseS. M.info@eco-vector.com2905196647364651001202110012021Copyright © 2021, Marcuse S.M.2021<p>The oscillatory indicator (OP) reflects (with low-inert equipment) changes in the pulse volume of the artery under study, since it is determined at the level of average blood pressure, i.e., under conditions of maximum relaxation of the arterial wall.</p>Kazan Medical archiveКазанский медицинский архив