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Related Concept Videos

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...
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Mechanical Ventilation II: Invasive Ventilation01:23

Mechanical Ventilation II: Invasive Ventilation

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Mechanical Ventilation III: Noninvasive Ventilation01:23

Mechanical Ventilation III: Noninvasive Ventilation

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Related Experiment Video

Updated: May 19, 2026

Preoxygenation Techniques for Tracheal Intubation in Critically Ill Adults Utilizing Oxygen Mask and Noninvasive Ventilation
07:15

Preoxygenation Techniques for Tracheal Intubation in Critically Ill Adults Utilizing Oxygen Mask and Noninvasive Ventilation

Published on: December 5, 2025

Does etomidate increase vasopressor requirements in patients needing mechanical ventilation?

Mary Elliot1, Glen Brown, I Fan Kuo

  • 1, BScPharm, ACPR, is a Clinical Pharmacist with Vancouver General Hospital, Vancouver, British Columbia.

The Canadian Journal of Hospital Pharmacy
|August 25, 2012
PubMed
Summary

Single-dose etomidate, used for intubation, does not increase vasopressor needs in critically ill patients. This study found no significant difference in hemodynamic support 24 hours post-administration.

Keywords:
adrenal insufficiencycritical careetomidatemechanical ventilationvasopressors

Related Experiment Videos

Last Updated: May 19, 2026

Preoxygenation Techniques for Tracheal Intubation in Critically Ill Adults Utilizing Oxygen Mask and Noninvasive Ventilation
07:15

Preoxygenation Techniques for Tracheal Intubation in Critically Ill Adults Utilizing Oxygen Mask and Noninvasive Ventilation

Published on: December 5, 2025

Area of Science:

  • Critical Care Medicine
  • Pharmacology
  • Emergency Medicine

Background:

  • Etomidate is a common induction agent for rapid-sequence intubation.
  • Its use is linked to transient adrenal insufficiency, with debated clinical impacts in critically ill patients.

Purpose of the Study:

  • To investigate if etomidate use correlates with increased vasopressor requirements compared to other induction agents.
  • The study focused on a 24-hour time point after induction in mechanically ventilated patients.

Main Methods:

  • Retrospective observational study using electronic health records.
  • Matched 50 etomidate patients with controls based on shock cause, APACHE II score, age, and sex.
  • Vasopressor doses (norepinephrine equivalents) at 24 hours post-intubation served as a hemodynamic instability marker.

Main Results:

  • Mean vasopressor dose was 4 μg/min for etomidate vs. 3 μg/min for controls (p=0.61).
  • Vasopressor use at 24 hours was observed in 12 etomidate patients and 16 controls (OR 2.3, p=0.34).

Conclusions:

  • Single-dose etomidate does not appear to negatively impact hemodynamic stability.
  • The dose of vasopressors required 24 hours post-administration was not significantly different between etomidate and other induction agents.