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REVIEW

The Effect of Motion on Pulse Oximetry and Its Clinical Significance

Michael T. Petterson, RRT, Valerie L. Begnoche, MA, and John M. Graybeal, CRT

From the Masimo Corporation, Irvine, California.

Address correspondence and reprint requests to Michael T. Petterson, RRT, Masimo Corporation, 40 Parker, Irvine, CA 92618. Address e-mail to mpetters{at}masimo.com.

Abstract

Pulse oximetry is an important diagnostic and patient monitoring tool. However, motion can induce considerable error into pulse oximetry accuracy, resulting in loss of data, inaccurate readings, and false alarms. We will discuss how motion artifact affects pulse oximetry accuracy, the clinical consequences of motion artifact, and the methods used by various technologies to minimize the impact of the motion noise.






Lippincott, Williams & Wilkins Anesthesia & Analgesia® is published for the International Anesthesia Research Society® by Lippincott Williams & Wilkins with the assistance of Stanford University Libraries' HighWire Press®. Copyright 2006 by the International Anesthesia Research Society. Online ISSN: 1526-7598   Print ISSN: 0003-2999 HighWire Press
Copyright © 2007 by the International Anesthesia Research Society.