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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. 
Pulse rhythm01:30

Pulse rhythm

Pulse rhythm refers to the pattern of pulsations within specific intervals, offering valuable insights into the regularity or irregularity of the heart's beats as observed through the pattern of pulsation within specific intervals. A regular pulse exhibits a consistent heart rate with uniform waveforms and pulsation force, variations of which can be classified as normal, weak, or bounding.
Conversely, an irregular pulse pattern is termed dysrhythmia, stemming from disruptions in cardiac muscle...
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...
Treatment for Pulmonary Arterial Hypertension: Oxygen Therapy for Respiratory Failure01:16

Treatment for Pulmonary Arterial Hypertension: Oxygen Therapy for Respiratory Failure

Oxygen therapy has emerged as a significant tool in enhancing the quality of life for patients suffering from pulmonary arterial hypertension (PAH). While this therapy has principally been studied on patients with significant hypoxemia, this therapeutic approach helps prevent potential organ damage and can be administered in the comfort of one's home.
Oxygen therapy is vital in increasing and maintaining blood oxygen levels in PAH patients. As a result, it aids in reducing fatigue, improving...

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Related Experiment Video

Updated: Jun 20, 2026

Standardized Hemorrhagic Shock Induction Guided by Cerebral Oximetry and Extended Hemodynamic Monitoring in Pigs
07:51

Standardized Hemorrhagic Shock Induction Guided by Cerebral Oximetry and Extended Hemodynamic Monitoring in Pigs

Published on: May 21, 2019

Pulse oximetry: technology to reduce child mortality in developing countries.

T Duke1, R Subhi, D Peel

  • 1Centre for International Child Health, University of Melbourne Department of Paediatrics, MCRI, Royal Children's Hospital, Parkville, Victoria, Australia. trevor.duke@rch.org.au

Annals of Tropical Paediatrics
|August 20, 2009
PubMed
Summary

Pulse oximetry monitoring and oxygen supply significantly reduce childhood mortality from common illnesses like pneumonia and neonatal sepsis in developing countries. Global efforts are needed to ensure availability in all pediatric care facilities.

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Area of Science:

  • Pediatrics
  • Medical Technology
  • Global Health

Background:

  • Hypoxemia in children stems from common illnesses like pneumonia, respiratory infections, and neonatal conditions such as sepsis, low birthweight, and birth asphyxia.
  • Pulse oximetry is crucial for monitoring and treating hypoxemia, yet its use is limited in many developing countries, especially during pediatric surgery.

Purpose of the Study:

  • To review the technical basis and applications of pulse oximetry in managing childhood illnesses.
  • To advocate for the widespread availability of pulse oximetry and oxygen in healthcare facilities for seriously ill children.

Main Methods:

  • Review of existing literature on pulse oximetry technology and its clinical applications.
  • Analysis of the impact of pulse oximetry on pediatric mortality in resource-poor settings.

Main Results:

  • Systematic use of pulse oximetry with oxygen supply improves care quality and reduces mortality in developing countries.
  • Children in many regions lack oximetry monitoring during surgery, posing a safety risk.

Conclusions:

  • Pulse oximetry is a vital tool for reducing mortality in childhood illnesses, particularly in resource-poor settings.
  • A global initiative is proposed to ensure pulse oximetry and oxygen availability in all facilities managing critically ill children, supporting Millennium Development Goal 4.