Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies01:27

Chronic Obstructive Pulmonary Disease-IV: Assessement and Diagnostic Studies

Assessing and diagnosing Chronic Obstructive Pulmonary Disease (COPD) involves a detailed approach that includes a comprehensive review of medical history, physical examination, and a variety of diagnostic tests. This thorough evaluation is essential to ensure an accurate diagnosis and guide effective management strategies.
Medical History
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. 
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...
Physiological Control of Respiration01:23

Physiological Control of Respiration

Introduction
Breathing, a seemingly passive process, is regulated by the respiratory center in the brainstem. This center coordinates the involuntary control of respirations, which means it occurs without conscious effort, ensuring a smooth and uninterrupted pattern.
Regulation of Ventilation
The body maintains ventilation by monitoring levels of carbon dioxide (CO2), oxygen (O2), and hydrogen ion concentration (pH) in the arterial blood. Among these factors, the level of CO2 plays a crucial...
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...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

A mutation in PTPN6 associated to emphysema alters B-lymphocyte biology in humans and mice.

Journal of immunology (Baltimore, Md. : 1950)·2026
Same author

Sleep depth and cognitive function in Parkinson's disease: An analysis using the Odd's Ratio Product (ORP).

Sleep medicine·2026
Same author

Dyspnea and Sleep Apnea: Sharing the Same Bed?

Chest·2026
Same author

A pragmatic assessment of the influence of data processing on Bluetooth oximetry in pulmonary rehabilitation.

Respiratory medicine·2026
Same author

Nocturnal hypoxemia is associated with increased urine Kidney Injury Molecule-1 (KIM-1) in patients with obstructive sleep apnea.

Journal of clinical sleep medicine : JCSM : official publication of the American Academy of Sleep Medicine·2026
Same author

Reducing Inhaler Waste and Costs Through Sustainable Interventions.

Chest·2026

Related Experiment Video

Updated: Jun 2, 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

Evaluating nocturnal oxygen desaturation in COPD--revised.

Yves Lacasse1, Frédéric Sériès, Nada Vujovic-Zotovic

  • 1Centre de recherche, Institut universitaire de cardiologie et de pneumologie de Québec, 2725 Chemin Ste-Foy, Québec, Québec G1V 4G5, Canada. Yves.Lacasse@med.ulaval.ca

Respiratory Medicine
|May 13, 2011
PubMed
Summary

Many patients with COPD experience nocturnal oxygen desaturation without sleep apnea, even if they don't qualify for daytime oxygen therapy. Home oximetry effectively screens for this condition in COPD patients.

More Related Videos

Integration of Brain Tissue Saturation Monitoring in Cardiopulmonary Exercise Testing in Patients with Heart Failure
04:20

Integration of Brain Tissue Saturation Monitoring in Cardiopulmonary Exercise Testing in Patients with Heart Failure

Published on: October 1, 2019

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

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

Published on: May 10, 2024

Related Experiment Videos

Last Updated: Jun 2, 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

Integration of Brain Tissue Saturation Monitoring in Cardiopulmonary Exercise Testing in Patients with Heart Failure
04:20

Integration of Brain Tissue Saturation Monitoring in Cardiopulmonary Exercise Testing in Patients with Heart Failure

Published on: October 1, 2019

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

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

Published on: May 10, 2024

Area of Science:

  • Pulmonary Medicine
  • Sleep Medicine
  • Respiratory Physiology

Background:

  • Management of nocturnal desaturation in COPD is not standardized.
  • Understanding prevalence is key for standardized COPD management.
  • Focus on COPD patients without other respiratory comorbidities.

Purpose of the Study:

  • Determine the prevalence of nocturnal desaturation in stable COPD patients.
  • Identify predictors of nocturnal desaturation.
  • Evaluate home oximetry as a screening tool.

Main Methods:

  • Cross-sectional study at 5 sites.
  • Included stable COPD patients with mild-to-moderate daytime hypoxemia.
  • Home oximetry performed twice over 2 weeks; patients categorized based on desaturation and sleep apnea evidence.

Main Results:

  • 128 COPD patients studied (mean FEV1: 37% predicted).
  • High test-retest reliability for home oximetry.
  • 38% had nocturnal desaturation without sleep apnea; 16% with sleep apnea.
  • No patient characteristics predicted desaturation without sleep apnea.

Conclusions:

  • 38% of moderate-to-severe COPD patients without daytime oxygen qualification exhibit nocturnal desaturation without sleep apnea.
  • Home oximetry is a practical and effective screening method for this COPD population.