For this segment, we will discuss the measurement of SpO2 and pulse rate, pulse oximetry accuracy standards, and the patient factors that can impact SpO2 and pulse rate accuracy. To help provide insight into this topic is John Gallagher, DNP, RN, CCNS, CCRN-K, TCRN, RRT, FCCM, Professor, Francis Payne Bolton School of Nursing at Case Western Reserve University.