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Related Concept Videos

Alterations in Respiration II01:30

Alterations in Respiration II

991
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...
991
Sleep Apnea01:21

Sleep Apnea

215
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...
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Mechanism of Breathing II: Expiration01:23

Mechanism of Breathing II: Expiration

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The Physiology of Expiration: A Seamless Respiratory Process
Expiration, or exhaling, is a complex physiological process that begins as the inspiratory muscles begin to relax. This relaxation triggers a series of events that epitomize the efficiency of the respiratory system.
Mechanism of Expiration:
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Other Factors Affecting Respiration Centers01:17

Other Factors Affecting Respiration Centers

957
Breathing is primarily an involuntary activity regulated by the brainstem respiratory centers. However, it can also be consciously controlled, allowing us to hold our breath or take deeper breaths when needed. This voluntary control is facilitated by the cerebral motor cortex, which bypasses the medullary centers to stimulate the respiratory muscles directly.
However, the ability to hold one's breath voluntarily is not limitless. When the CO2 concentration in the blood reaches a critical...
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Hyperpnea and Hyperventilation01:25

Hyperpnea and Hyperventilation

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Hyperventilation refers to a higher-than-normal rate and depth of breathing, often associated with anxiety attacks. This excessive breathing surpasses the body's need to expel CO2, leading to a condition known as hypocapnia - an unusually low level of carbon dioxide in the blood. Hypocapnia can constrict cerebral blood vessels, reducing blood flow to the brain, which may result in dizziness or fainting. Early signs include tingling and muscle spasms in the hands and face, caused by falling...
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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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Updated: Sep 1, 2025

Method to Obtain Pattern of Breathing in Senescent Mice through Unrestrained Barometric Plethysmography
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Method to Obtain Pattern of Breathing in Senescent Mice through Unrestrained Barometric Plethysmography

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Breathing during sleep.

Leszek Kubin1

  • 1Department of Biomedical Sciences, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, PA, United States.

Handbook of Clinical Neurology
|August 14, 2022
PubMed
Summary
This summary is machine-generated.

Breathing patterns change during sleep due to central nervous system mechanisms affecting respiratory muscles. This review explores physiological sleep and breathing, including obstructive sleep apnea and pharmacological interventions.

Keywords:
ArousalDiaphragmGenioglossusRapid eye movement sleepRespiratory neuronRespiratory rateSleep apneaSleep-active neuronUpper airwayWake-active neuronWakefulness stimulus for breathing

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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:

  • Neuroscience
  • Respiratory Physiology
  • Sleep Medicine

Background:

  • Breathing depth, rate, and regularity are altered during the transition from wakefulness to sleep.
  • Sleep state directly impacts respiratory regulatory sites, including the central pattern generator and motoneurons.
  • Sleep-related metabolic changes also influence respiratory control.

Purpose of the Study:

  • To discuss the physiological effects of sleep on breathing.
  • To characterize breathing and neuronal activity during non-rapid eye movement (NREM) and rapid eye movement (REM) sleep.
  • To examine the role of upper airway muscle control in obstructive sleep apnea and pharmacological interventions.

Main Methods:

  • Review of physiological conditions of sleep and breathing.
  • Analysis of central respiratory neuronal activity during different sleep stages.
  • Discussion of clinical trials involving pharmacological interventions targeting state-dependent pathways.

Main Results:

  • Breathing control is modulated by sleep states through central mechanisms affecting respiratory and upper airway muscles.
  • Obstructive sleep apnea highlights the significance of state-dependent upper airway muscle control.
  • Pharmacological interventions targeting specific neurotransmitter pathways can modify ventilatory changes during sleep.

Conclusions:

  • Sleep profoundly influences respiratory control via central neural pathways.
  • Understanding these interactions is crucial for managing sleep-related respiratory disorders like obstructive sleep apnea.
  • Targeting state-dependent pathways offers potential therapeutic strategies for ventilatory dysregulation during sleep.