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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...
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. 
Oxygen Transport in the Blood01:27

Oxygen Transport in the Blood

Hemoglobin (Hb) is a crucial molecule in the human body, consisting of four polypeptide chains, each bound to an iron-containing heme group. This unique structure enables hemoglobin to bind to oxygen, with each molecule capable of combining with four molecules of oxygen, leading to rapid and reversible oxygen loading. When fully loaded with oxygen, it is called oxyhemoglobin, while hemoglobin that has released oxygen is called reduced hemoglobin or deoxyhemoglobin. As hemoglobin binds oxygen,...
Respiratory Assessment: Purpose and Indications01:19

Respiratory Assessment: Purpose and Indications

Respiratory assessment is a cornerstone of nursing assessments, crucial for the early detection of patient deterioration. This evaluation transcends routine procedures, representing a critical skill nurses must master to ensure optimal patient care.
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...
Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen01:16

Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen

Oxygen therapy is a pivotal aspect of medical care, particularly for patients with respiratory ailments. Two prominent oxygen-delivering systems include the Venturi mask and the transtracheal oxygen catheter.
Venturi Mask
The Venturi mask, named after the Venturi effect, is designed to deliver precise oxygen concentrations. It consists of a large tube with an oxygen inlet that narrows down, causing a pressure drop that pulls air in through adjustable side ports. The mask is a lightweight,...

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Related Experiment Video

Updated: Jul 10, 2026

Non-Invasive Monitoring of Microvascular Oxygenation and Reactive Hyperemia using Hybrid, Near-Infrared Diffuse Optical Spectroscopy for Critical Care
14:28

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The Global Oximetry initiative.

G M M Thoms1, G A McHugh, E O'Sullivan

  • 1Department of Anaesthesia, Manchester Royal Infirmary, Oxford Road, Manchester, M13 9WL, UK. gavin.thoms@cmmc.nhs.uk

Anaesthesia
|December 6, 2007
PubMed
Summary
This summary is machine-generated.

The Global Oximetry initiative aims to reduce pulse oximetry costs and improve its use in low-income countries. It addresses barriers like education, policy, and access to parts for safer patient monitoring.

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Area of Science:

  • Global health
  • Medical technology assessment

Background:

  • Pulse oximetry is crucial for monitoring oxygen saturation, but its accessibility is limited in low-income countries.
  • The Global Oximetry (GO) initiative seeks to address these accessibility and cost barriers.

Purpose of the Study:

  • To investigate the feasibility of reducing pulse oximetry costs in resource-limited settings.
  • To identify and overcome non-cost barriers hindering oximetry utilization, including policy, education, and maintenance.
  • To promote wider adoption and safer use of pulse oximetry globally.

Main Methods:

  • The initiative involves multi-country research and promotional activities in Uganda, India, the Philippines, and Vietnam.
  • Methods include feasibility studies for cost reduction and analysis of non-cost barriers.
  • Strategies involve policy development, influencing device design, and establishing global standards.

Main Results:

  • The GO initiative is actively working to reduce oximetry costs and improve utilization.
  • Key barriers such as prioritization, education, guidelines, and parts access are being addressed.
  • New policies and design influences are being pursued to enhance global oximetry standards.

Conclusions:

  • The Global Oximetry initiative is a comprehensive effort to make pulse oximetry more accessible and affordable.
  • Addressing both cost and non-cost barriers is essential for improving patient monitoring in lower-income countries.
  • The initiative aims to establish new global standards for safer oximetry monitoring.