Related Experiment Video
Updated: Aug 4, 2026

A Model to Simulate Clinically Relevant Hypoxia in Humans
Published on: December 22, 2016
The Nellcor N-101 pulse oximeter. A clinical evaluation in anaesthesia and intensive care
Abstract:
The accuracy of the Nellcor N-101 pulse oximeter has been evaluated in adult patients receiving general anaesthesia or intensive care. Readings obtained noninvasively with this instrument were compared with measurements made on arterial blood using a Radiometer OSM2 oximeter. The pulse oximeter was easy to use and within the range tested (70-100 percent saturation of haemoglobin with oxygen) the readings were within I digit of the values obtained by in vitro measurement.
More Related Videos
Related Concept Videos
Guidelines For Measuring Vital Signs
Before taking a patient's vital signs, a nurse would consider and assess the patient's comfort level and ensure appropriate equipment is available.
Assessment of radial pulse
The radial pulse, located at the wrist, is often the preferred site for assessing peripheral pulse because of its accessibility and dependability. The process of determining the radial pulse involves several steps:
Assessment of Diffusion and Perfusion
The Role of Diffusion in Respiration
Diffusion is the process by which molecules move from an area of higher concentration to an area of lower concentration. In the respiratory system, this principle...
Special considerations while measuring oxygen saturation
Ensuring accuracy in vital sign recordings while prioritizing patient comfort and minimizing anxiety is important.
Respiratory Assessment: Purpose and Indications
Objectives and Importance:
The primary goal of respiratory assessment is to evaluate patients at early risk of clinical deterioration. Since respiratory distress often precedes other signs of declining health, breathing patterns and sounds become a...
Pulse Oximetry
Purpose
Average SpO2 values are greater than 95%. If the readings fall below 90%, it indicates that...

