Pulse oximeters provide data on arterial blood oxygen saturation as well as pulse rate. (A) Standard pulse oximetry unit. (B) Portable hand-held pulse oximeter. (Courtesy of Nellcor Puritan Bennett, LLC, Boulder, CO 80301, doing business as Covidien.) Source: Examination of Vital Signs, Physical Rehabilitation, 6e Citation: O’Sullivan SB, Schmitz TJ, Fulk GD. Physical Rehabilitation, 6e; 2014 Available at: https://fadavispt.mhmedical.com/DownloadImage.aspx?image=/data/books/1895/osullrehab6_ch2_f021.png&sec=136485138&BookID=1895&ChapterSecID=136484927&imagename= Accessed: November 01, 2017 Copyright © 2017 McGraw-Hill Education. All rights reserved