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Related Concept Videos

Alterations in Respiration II01:30

Alterations in Respiration II

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 include...
Respiratory System Abnormal Finding I: Inspection and Percussion01:30

Respiratory System Abnormal Finding I: Inspection and Percussion

Respiratory system abnormalities are a significant concern in healthcare due to their potential to indicate underlying severe conditions like Chronic Obstructive Pulmonary Disease (COPD), asthma, and pneumonia. These abnormalities can often be detected through physical examination methods like inspection and percussion.
Inspection Findings
During an inspection, several findings may suggest the presence of respiratory distress or disease. Pursed-lip breathing, where exhalation is slowed by...
Respiratory Volumes and Capacities I01:26

Respiratory Volumes and Capacities I

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...
Sleep Apnea01:21

Sleep Apnea

Sleep apnea is a condition where breathing stops intermittently during sleep, often leading to significant health issues. Each episode can last from 10 to 20 seconds or more and is frequently accompanied by a brief arousal from sleep. This disturbance, largely unnoticed by the individual, can lead to severe daytime fatigue. Commonly, individuals seek help after being informed by their partners about loud snoring and noticeable breathing pauses during sleep.
The condition is more prevalent among...
Physical Assessment of the Respiratory Tract II: Inspection01:27

Physical Assessment of the Respiratory Tract II: Inspection

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 can...
Assessment of Ventilation II: Respiratory Depth and Rhythm01:29

Assessment of Ventilation II: Respiratory Depth and Rhythm

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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Updated: May 24, 2026

Investigation into Deep Breathing through Measurement of Ventilatory Parameters and Observation of Breathing Patterns
08:34

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

Published on: September 16, 2019

Body position and breathing abnormalities during sleep: a systematic study.

Angelica Tiotiu1, Olivier Mairesse, Guy Hoffmann

  • 1Department of Pulmonary Medicine, CHU Brabois, Nancy, France. angelica.tiotiu@yahoo.com

Pneumologia (Bucharest, Romania)
|March 17, 2012
PubMed
Summary
This summary is machine-generated.

Body position significantly impacts sleep apnea hypopnea syndrome (SAHS) breathing. Moving from supine to prone positions gradually improves respiratory variables, highlighting the importance of positional therapy.

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Area of Science:

  • Sleep Medicine
  • Respiratory Physiology

Background:

  • Previous research on body position and nocturnal breathing focused on supine vs. lateral positions.
  • Limited understanding of the impact of various body positions on breathing abnormalities.

Purpose of the Study:

  • To systematically evaluate the effect of nine distinct body positions on nocturnal breathing in patients with sleep apnea hypopnea syndrome (SAHS).

Main Methods:

  • Retrospective analysis of polysomnography data from 105 SAHS patients (apnea-hypopnea index > 10/h).
  • Utilized a nine-position thoracic sensor to record body posture (supine, right, left, prone, and intermediate variations).
  • Analyzed respiratory variables (apneas, hypopneas, desaturations) in relation to body position using Kruskal-Wallis H and Mann-Whitney U tests.

Main Results:

  • Body position significantly affected all measured respiratory variables.
  • Breathing improved in intermediate positions (SR, SL) compared to pure supine (S).
  • Breathing improved in prone-lateral positions (PR, PL) compared to pure lateral (R, L).
  • A continuous improvement in respiratory variables was observed when moving from supine to prone positions.

Conclusions:

  • A nine-position sensor is valuable for detailed sleep laboratory assessments.
  • Nocturnal breathing in SAHS patients improves progressively along a continuum from supine to prone positions.
  • Findings support the potential of positional therapy in managing SAHS.