high-osmolality contrast medium
high-osmolality contrast medium
Imaging An ionic compound–eg, diatrizoate, iothalamate which is used as intravascular radiographic contrast media; HOCMs have up to 7 times the osmolality of plasma. See Diatrizoate, Iothalamate. Cf Low-osmolality contrast media.McGraw-Hill Concise Dictionary of Modern Medicine. © 2002 by The McGraw-Hill Companies, Inc.