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Related Concept Videos

Physiological Control of Respiration01:23

Physiological Control of Respiration

Introduction
Breathing, a seemingly passive process, is regulated by the respiratory center in the brainstem. This center coordinates the involuntary control of respirations, which means it occurs without conscious effort, ensuring a smooth and uninterrupted pattern.
Regulation of Ventilation
The body maintains ventilation by monitoring levels of carbon dioxide (CO2), oxygen (O2), and hydrogen ion concentration (pH) in the arterial blood. Among these factors, the level of CO2 plays a crucial...
Ventilatory Modes01:14

Ventilatory Modes

Mechanical ventilators are life-saving devices that support or replace spontaneous breathing. They deliver breaths to patients through varying methods known as ventilator modes. Understanding these modes is critical for healthcare providers managing patients with respiratory failure.
There are three ventilatory modes: full support, partial support, and spontaneous. These are described below.
Full Support Modes
Full support modes include controlled mechanical ventilation, continuous mandatory...
Mechanical Ventilation II: Invasive Ventilation01:23

Mechanical Ventilation II: Invasive Ventilation

Ventilators are essential medical equipment used to aid patients with respiratory difficulties. Their primary function is to assist or replace spontaneous breathing by providing mechanical ventilation. There are two general classes of mechanical ventilators: negative-pressure and positive-pressure ventilators.
Negative-Pressure Ventilators
Negative-pressure ventilators create a vacuum around the chest or body to draw air into the lungs, simulating breathing. This method does not require an...
Mechanical Ventilation I: Indication and Settings01:29

Mechanical Ventilation I: Indication and Settings

Mechanical ventilation is a life-saving technique for managing acute respiratory failure and other respiratory complications. The process involves using a machine known as a ventilator to supply oxygen to the lungs and assist in removing carbon dioxide. It serves as a bridge to long-term mechanical ventilation or a temporary measure until ventilatory support is discontinued. The ventilator can maintain this function for a prolonged period, providing critical support for patients until they can...
Physiology of Respiration II: Neurogenic Control of Respiration01:22

Physiology of Respiration II: Neurogenic Control of Respiration

The neurogenic control of respiration coordinates various neural networks and pathways to regulate breathing rate and depth, meeting the body's oxygen and carbon dioxide exchange requirements. This system adapts to physiological and environmental conditions, ensuring optimal breathing patterns.
Central Control
The brainstem is the primary site of central control, hosting respiratory centers:
Cardiopulmonary Resuscitation II: ACLS Airway Management01:22

Cardiopulmonary Resuscitation II: ACLS Airway Management

Airway management is a key skill in emergency and critical care settings, as maintaining a clear airway is essential for adequate oxygenation and ventilation.Head Tilt-Chin Lift TechniqueThe head tilt-chin lift maneuver is an essential technique primarily used in patients without suspected cervical spine injuries. To perform this maneuver, one hand is placed on the patient’s forehead, and gentle pressure is applied backward to tilt the head. The fingertips of the other hand are positioned under...

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Bronchial Thermoplasty: A Novel Therapeutic Approach to Severe Asthma
14:39

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Published on: November 4, 2010

Ventilatory control in ALS.

Nicole L Nichols1, J Van Dyke, L Nashold

  • 1Department of Comparative Biosciences, University of Wisconsin, School of Veterinary Medicine, 2015 Linden Drive, Madison, WI 53706, USA.

Respiratory Physiology & Neurobiology
|May 23, 2013
PubMed
Summary
This summary is machine-generated.

Amyotrophic lateral sclerosis (ALS) causes motor neuron loss, impacting breathing. Research reviews how the respiratory system compensates for motor neuron degeneration, offering insights into preserving respiratory function in ALS patients.

Keywords:
BreathingCompensationMotor neuron diseaseNeurodegenerative diseasePlasticityVentilatory control

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04:56

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Published on: October 23, 2018

Area of Science:

  • Neurodegenerative diseases
  • Respiratory physiology

Background:

  • Amyotrophic lateral sclerosis (ALS) is a fatal, progressive neurodegenerative disease.
  • ALS selectively targets upper and lower motor neurons, leading to muscle weakness, paralysis, and death from ventilatory failure.
  • The impact of ALS on respiratory motor neurons and compensatory mechanisms remains poorly understood.

Purpose of the Study:

  • To review the known effects of ALS on breathing.
  • To examine the consequences of respiratory motor neuron cell death.
  • To explore compensatory respiratory plasticity in ALS.

Main Methods:

  • Literature review of existing studies on ALS and respiratory function.
  • Analysis of the effects on rhythm generation, respiratory motor neurons, and respiratory muscles.
  • Examination of evidence for compensatory plasticity.

Main Results:

  • ALS affects breathing by impacting rhythm generation, respiratory motor neurons, and respiratory muscles.
  • Spontaneous compensatory plasticity can preserve breathing despite significant motor neuron loss.
  • Understanding these mechanisms is crucial for managing ALS progression.

Conclusions:

  • ALS significantly impacts the respiratory system, primarily through motor neuron degeneration.
  • Compensatory plasticity plays a vital role in maintaining respiratory function in ALS.
  • Therapeutic strategies should focus on preserving respiratory capacity in ALS patients.