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Related Concept Videos

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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Special considerations while measuring oxygen saturation01:19

Special considerations while measuring oxygen saturation

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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...
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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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Respiratory Volumes and Capacities I01:26

Respiratory Volumes and Capacities I

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Assessing the respiratory rate and rhythm for a complete minute is crucial for evaluating the breathing pattern. Even a minor increase in the patient's average respiratory rate, by as little as three to five breaths per minute, is an early and vital indicator of respiratory distress. Patients with a respiratory rate exceeding twenty-four breaths per minute require close monitoring to determine the physiological alterations. This careful observation is essential for prompt recognition and...
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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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Updated: Jul 11, 2025

High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques
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High-resolution, High-speed, Three-dimensional Video Imaging with Digital Fringe Projection Techniques

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Human Respiration Rate Measurement with High-Speed Digital Fringe Projection Technique.

Anna Lena Lorenz1, Song Zhang2

  • 1Institute of Biomedical Engineering, Karlsruher Institute of Technology, 76131 Karlsruhe, Germany.

Sensors (Basel, Switzerland)
|November 14, 2023
PubMed
Summary

This study introduces a non-contact respiration monitoring system using Fringe Projection Profilometry (FPP). The innovative FPP method accurately tracks breathing patterns without physical contact, offering a significant advancement in respiratory monitoring.

Keywords:
Fringe Projection Profilometryrespiration monitoringstructured light

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

  • Biomedical Engineering
  • Medical Physics
  • Respiratory Physiology

Background:

  • Traditional respiration monitoring often involves intrusive methods that can interfere with patient comfort and natural breathing patterns.
  • There is a need for non-contact, continuous monitoring solutions to accurately assess respiratory function in various clinical and research settings.

Purpose of the Study:

  • To develop and validate a non-contact continuous respiration monitoring system utilizing Fringe Projection Profilometry (FPP).
  • To assess the system's ability to capture three-dimensional (3D) respiratory motion and extract key respiratory parameters without physical interference.

Main Methods:

  • Implementation of a Fringe Projection Profilometry (FPP) sensor to capture 3D chest wall and abdominal motion during respiration.
  • Development of analysis algorithms to process FPP data and extract respiratory parameters.
  • Comparison of FPP system outputs against a reference spirometer signal for validation.

Main Results:

  • The FPP system achieved a high Signal-to-Noise Ratio (SNR) of 37 dB with an ideal sinusoidal respiration signal.
  • Experimental validation demonstrated a mean correlation of 0.95 between the FPP system and the spirometer.
  • A mean Root-Mean-Square Error (RMSE) of 0.11 breaths per minute (bpm) was achieved, indicating high accuracy.

Conclusions:

  • The proposed non-contact FPP method provides accurate and continuous respiration monitoring.
  • This technique overcomes limitations of intrusive methods, offering a promising alternative for respiratory assessment.
  • The system's high accuracy and non-invasive nature make it suitable for diverse applications in healthcare and research.