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Related Concept Videos

Mechanical Ventilation II: Invasive Ventilation01:23

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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.
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Acute Respiratory Failure-IV01:23

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Respiratory failure can manifest suddenly or gradually, characterized by a rapid decline in PaO2 and a rapid rise in PaCO2. This situation indicates a severe respiratory problem that may quickly become a life-threatening emergency. One of the early signs of hypoxemic Acute Respiratory Failure (ARF) is a change in mental status due to the brain's sensitivity to oxygen levels and changes in acid-base balance. Symptoms such as restlessness, confusion, and agitation suggest inadequate oxygen...
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Mechanical Ventilation I: Indication and Settings01:29

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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...
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Cardiopulmonary Resuscitation II: ACLS Airway Management01:22

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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...
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Acute Respiratory Failure-III01:30

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Hypercapnic respiratory failure, also known as Type 2 or ventilatory respiratory failure, is a severe condition characterized by the body's inability to effectively remove carbon dioxide (CO2) from the bloodstream. It leads to an arterial CO2 pressure (PaCO2) exceeding 45 mmHg and a blood pH above 7.35. This situation indicates that the body's ventilatory demand, or the ventilation needed to maintain normal PaCO2 levels, surpasses its supply or the maximum gas flow achievable without...
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Type I Respiratory Failure, or hypoxemic respiratory failure, occurs when the partial pressure of oxygen (PaO2) in arterial blood falls below 60 mmHg while breathing room air without a corresponding increase in arterial carbon dioxide levels (PaCO2). This condition highlights a significant impairment in the lungs' capacity to oxygenate the blood.
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Updated: Nov 23, 2025

Mechanical Ventilation Boot Camp Curriculum
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Emergency ventilator for COVID-19.

William P King1,2, Jennifer Amos1,2, Magdi Azer3

  • 1Grainger College of Engineering, University of Illinois Urbana-Champaign, Urbana, IL, United States of America.

Plos One
|December 30, 2020
PubMed
Summary
This summary is machine-generated.

Researchers rapidly designed and tested an emergency ventilator (EV) using additive manufacturing to address COVID-19 patient needs. This innovation enabled quick prototyping and widespread technology transfer for critical care.

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Area of Science:

  • Biomedical Engineering
  • Medical Device Design
  • Additive Manufacturing

Background:

  • The COVID-19 pandemic caused a surge in patients requiring mechanical ventilation.
  • Shortages of ventilators exacerbated mortality rates in overwhelmed healthcare systems.
  • Acute Respiratory Distress Syndrome (ARDS) is a common complication necessitating mechanical support.

Purpose of the Study:

  • To rapidly design, prototype, and test an emergency ventilator (EV) for COVID-19 patients.
  • To leverage additive manufacturing (AM) for accelerated medical device development.
  • To provide open-source designs for widespread accessibility and rapid deployment.

Main Methods:

  • Iterative design, additive manufacturing (AM), and testing cycles.
  • Parametric dimension variation for 16 ventilator components, producing 283 parts.
  • Engineering evaluation and animal testing of 75 functional prototypes, with over two million test cycles.

Main Results:

  • A functional emergency ventilator (EV) prototype was developed within one week.
  • AM facilitated rapid iteration and production of multiple prototypes.
  • The EV controls peak inspiratory pressure (PIP), breathing rate, and positive end-expiratory pressure (PEEP).

Conclusions:

  • Additive manufacturing enables ultra-fast design, engineering, and testing of critical medical devices.
  • The developed emergency ventilator designs are freely available, promoting global accessibility.
  • This project highlights the potential of rapid prototyping for emergency medical response during pandemics.