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Related Concept Videos

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...
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. 
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...
Assessment of Ventilation I: Respiratory Rate01:20

Assessment of Ventilation I: Respiratory Rate

Assessment of Ventilation
A Ventilation assessment is critical for monitoring a patient's health status. Respiration, one of the most accessible vital signs, provides insights into the function of numerous body systems and can indicate serious health issues, such as brainstem injuries from head trauma.
Critical Guidelines for Assessing Ventilation:
Assessment of Respiration01:23

Assessment of Respiration

The respiratory system's basic structures and primary functions lay the foundation for nurses' comprehensive respiratory assessments. This assessment includes subjective and objective data to gauge the patient's respiratory health.
Subjective Assessment: Nurses interview the patient to gather information directly during the subjective assessment. It includes questions about the individual's medical history, medications, and symptoms, focusing on past respiratory conditions like asthma or COPD,...
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

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Updated: May 14, 2026

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

Published on: May 10, 2024

Reducing Diagnostic Bias in Oxygenation Assessments.

Jacob Terrell1, Kimberly Smith, Adrianna Ellice Philippe

  • 1Jacob Terrell is an RN in the cardiac surgery ICU, University of Florida Health, Gainesville, where Staja Q. Booker is an assistant professor. Kimberly Smith is an RN in the medical ICU, Houston Methodist Baytown Hospital, Baytown, TX. Adrianna Ellice Philippe is an RN at Mount Sinai Hospital, New York City. Contact author: Jacob Terrell, jacobterrell@ufl.edu. The authors have disclosed no potential conflicts of interest, financial or otherwise.

The American Journal of Nursing
|May 22, 2025
PubMed
Summary

Hypoxia assessment in individuals with darker skin tones is crucial for equitable medical care. This study addresses potential disparities and improves patient outcomes.

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Area of Science:

  • Medical research
  • Clinical diagnostics
  • Health equity

Background:

  • Hypoxia, a state of insufficient oxygen, poses significant health risks.
  • Standard diagnostic tools for hypoxia may exhibit reduced accuracy in patients with darker skin tones.
  • Existing disparities in healthcare outcomes are linked to variations in diagnostic tool performance across different skin pigmentation levels.

Purpose of the Study:

  • To evaluate the efficacy of hypoxia assessment methods in patients with diverse skin tones.
  • To identify and mitigate potential biases in hypoxia detection that could lead to healthcare disparities.
  • To promote equitable care by ensuring accurate oxygenation monitoring for all patients.

Main Methods:

  • Comparative analysis of pulse oximetry readings across different skin pigmentation groups.
  • Investigation of alternative or adjunctive methods for hypoxia detection in individuals with darker skin.
  • Review of clinical outcomes associated with delayed or missed hypoxia diagnosis in underrepresented populations.

Main Results:

  • Preliminary findings suggest potential variations in the reliability of certain hypoxia assessment tools based on skin tone.
  • Data indicates a need for further validation of existing diagnostic standards in diverse patient cohorts.
  • Evidence points towards specific challenges in accurately measuring oxygen saturation in individuals with increased melanin content.

Conclusions:

  • Accurate hypoxia assessment in patients with darker skin tones is essential for preventing medical errors and health inequities.
  • Development and implementation of inclusive diagnostic strategies are necessary to ensure equitable patient care.
  • Further research is warranted to refine and validate non-invasive oxygen monitoring techniques for all populations.