Related Experiment Video

Updated: Jun 8, 2026

A Model to Simulate Clinically Relevant Hypoxia in Humans
09:54

A Model to Simulate Clinically Relevant Hypoxia in Humans

Published on: December 22, 2016

Diffusion-based model of pulse oximetry: in vitro and in vivo comparisons

D R Marble, D H Burns, P W Cheung

    Applied Optics
    |September 24, 2010
    PubMed

    More Related Videos

    Non-Invasive Monitoring of Microvascular Oxygenation and Reactive Hyperemia using Hybrid, Near-Infrared Diffuse Optical Spectroscopy for Critical Care14:28

    Non-Invasive Monitoring of Microvascular Oxygenation and Reactive Hyperemia using Hybrid, Near-Infrared Diffuse Optical Spectroscopy for Critical Care

    Published on: May 10, 2024

    A Porcine Model of Acute Respiratory Failure with a Continuous Infusion of Oleic Acid04:10

    A Porcine Model of Acute Respiratory Failure with a Continuous Infusion of Oleic Acid

    Published on: March 8, 2024

    Related Concept Videos

    Pulse Oximetry01:24

    Pulse Oximetry

    Pulse oximetry, or SpO2, is a non-invasive method for continuously monitoring arterial oxygen saturation (SaO2). This procedure involves attaching a probe or sensor to the patient's fingertip, forehead, earlobe, or nose bridge. The sensor works by detecting changes in oxygen saturation levels through light signals generated by the oximeter and reflected by the pulsing blood under the probe.
    Purpose
    Average SpO2 values are greater than 95%. If the readings fall below 90%, it indicates that...
    Assessment of Diffusion and Perfusion01:17

    Assessment of Diffusion and Perfusion

    Understanding and evaluating diffusion and perfusion is critical in assessing a patient's respiratory and circulatory health. These processes play key roles in maintaining the body's internal environment, ensuring that tissues receive adequate oxygen while waste products are efficiently removed.
    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...
    Physiological Pharmacokinetic Models: Blood Flow-Limited Versus Diffusion-Limited Models00:57

    Physiological Pharmacokinetic Models: Blood Flow-Limited Versus Diffusion-Limited Models

    Physiological pharmacokinetic models, often called flow-limited or perfusion models, typically assume a swift drug distribution between tissue and venous blood, creating a rapid drug equilibrium. This premise is based on the idea that drug diffusion is extremely fast, and the cell membrane presents no barrier to drug permeation. In this scenario, where no drug binding occurs, the drug concentration in the tissue equals that of the venous blood leaving the tissue. This greatly simplifies the...
    Guidelines For Measuring Vital Signs01:19

    Guidelines For Measuring Vital Signs

    Following these guidelines can help nurses accurately measure vital signs, assess changes in patient conditions, and provide timely treatment when necessary. Adhering closely to the guidelines ensures the accuracy and reliability of the results.
    Before taking a patient's vital signs, a nurse would consider and assess the patient's comfort level and ensure appropriate equipment is available.
    Special considerations while measuring oxygen saturation01:19

    Special considerations while measuring oxygen saturation

    Assessing respiratory rate concurrently with pulse measurement is fundamental to patient care, providing valuable insights into the patient's respiratory function. The normal breathing rate for an adult usually falls within a normal range of 12 to 20 breaths per minute. Abnormal respiratory rates can signal underlying health conditions or the need for immediate intervention.
    Ensuring accuracy in vital sign recordings while prioritizing patient comfort and minimizing anxiety is important.