plethysmograph(redirected from impedance plethysmograph)
Also found in: Dictionary, Thesaurus, Medical.
Related to impedance plethysmograph: Meleney ulcer
An instrument for measuring changes in the size of a part of the body by measuring changes in the amount of blood in that part.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.