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Related Concept Videos

Assessment of Ventilation II: Respiratory Depth and Rhythm01:29

Assessment of Ventilation II: Respiratory Depth and Rhythm

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Respiratory Depth
Respiratory depth measures the volume of air inhaled or exhaled during a breath. It can vary from shallow to deep and typically remains consistent when a person is at rest or asleep. Occasionally, individuals will automatically inhale deeply, known as sighing, which inflates the lungs with more air than normal breathing.
To assess respiratory depth, observe the degree of chest excursion or movement:
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Alterations in Respiration II01:30

Alterations in Respiration II

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There are numerous types of normal and abnormal respiration. Based on ventilatory movements, breathing patterns are classified as regular, deep, or shallow. Examples include Biot's breathing, Cheyne-Stokes respiration, Kussmaul's breathing, hyperventilation, and hypoventilation. Each pattern is clinically significant and aids in evaluating patients.
In Biot's breathing, the respiratory rate and depth are irregular, alternating between periods of deep gasping and apnea. Common causes...
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Breathing01:05

Breathing

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The process of breathing, inhaling and exhaling, involves the coordinated movement of the chest wall, the lungs, and the muscles that move them. Two muscle groups with important roles in breathing are the diaphragm, located directly below the lungs, and the intercostal muscles, which lie between the ribs. When the diaphragm contracts, it moves downward, increasing the volume of the thoracic cavity and creating more room for the lungs to expand. When the intercostal muscles contract, the ribs...
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Assessment of Respiration01:23

Assessment of Respiration

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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...
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Physical Assessment of the Respiratory Tract II: Inspection01:27

Physical Assessment of the Respiratory Tract II: Inspection

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Physical assessment of the respiratory tract through inspection is a crucial step in understanding the patient's respiratory health. It provides insights into the functioning of the respiratory system, the musculoskeletal structure, and even the patient's nutritional status. This comprehensive approach involves observing several vital aspects: chest configuration, breathing patterns, respiratory rates, skin color, and use of accessory muscles.
Chest Configuration
The chest configuration...
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Assessment of Ventilation I: Respiratory Rate01:20

Assessment of Ventilation I: Respiratory Rate

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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:
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Related Experiment Video

Updated: Feb 28, 2026

Investigation into Deep Breathing through Measurement of Ventilatory Parameters and Observation of Breathing Patterns
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Investigation into Deep Breathing through Measurement of Ventilatory Parameters and Observation of Breathing Patterns

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Breathing Analysis Using Thermal and Depth Imaging Camera Video Records.

Aleš Procházka1, Hana Charvátová2, Oldřich Vyšata3,4,5

  • 1Department of Computing and Control Engineering, University of Chemistry and Technology in Prague, 166 28 Prague, Czech Republic. A.Prochazka@ieee.org.

Sensors (Basel, Switzerland)
|June 17, 2017
PubMed
Summary
This summary is machine-generated.

This study explores using thermal imaging and depth sensors to monitor breathing patterns non-invasively. These video-based methods offer a potential for remote diagnostics of respiratory disorders.

Keywords:
breathing disorders detectiondepth sensorsfacial temperature distributionmachine learningmultimodal signalsthermography

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Area of Science:

  • Biomedical Engineering
  • Medical Imaging
  • Computational Intelligence

Background:

  • Breathing disorders require accurate diagnostics, often necessitating specialized equipment.
  • Remote monitoring solutions are increasingly sought for patient convenience and accessibility.
  • Non-invasive methods for assessing physiological parameters are of significant interest.

Purpose of the Study:

  • To investigate the use of thermal imaging and depth sensing for analyzing breathing patterns.
  • To develop and validate video-based algorithms for detecting respiratory changes.
  • To explore the potential for home-based, non-invasive diagnostics of breathing disorders.

Main Methods:

  • Utilized a thermal imaging camera to record facial temperature variations.
  • Employed an MS Kinect depth sensor to capture pectoral area motion.
  • Applied image processing, computational intelligence, and digital filtering techniques for data analysis.
  • Incorporated machine learning for thermal imaging camera calibration and temperature classification.

Main Results:

  • Facial temperature changes were correlated with pectoral motion during breathing.
  • Machine learning achieved near 100% accuracy in classifying thermal imaging data.
  • The system successfully monitored physical activity, noting decreases in breathing temperature and frequency post-exercise.
  • Observed mean decreases of -0.16 °C/min in temperature and -0.72 bpm in frequency after load.

Conclusions:

  • Thermal and depth cameras provide valuable data for multimodal breathing pattern detection.
  • Video-based analysis offers a promising avenue for non-invasive, remote respiratory monitoring.
  • The proposed methods support the development of accessible diagnostic tools for home use.