Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen01:16

Oxygen Delivering System II: Venturi Mask and Transtracheal Oxygen

Oxygen therapy is a pivotal aspect of medical care, particularly for patients with respiratory ailments. Two prominent oxygen-delivering systems include the Venturi mask and the transtracheal oxygen catheter.
Venturi Mask
The Venturi mask, named after the Venturi effect, is designed to deliver precise oxygen concentrations. It consists of a large tube with an oxygen inlet that narrows down, causing a pressure drop that pulls air in through adjustable side ports. The mask is a lightweight,...
Administering Oxygen by Mask01:30

Administering Oxygen by Mask

Administering Oxygen by Mask
Administering oxygen by mask is a common nursing intervention that provides supplemental oxygen to patients with respiratory distress or chronic lung conditions. This procedure involves delivering oxygen at a specified rate through a face mask connected to an oxygen source.
Equipment
The equipment necessary for this procedure includes:
Oxygen Delivering System I: Nasal Cannula and Face Mask01:26

Oxygen Delivering System I: Nasal Cannula and Face Mask

The human body requires oxygen to function, and when the natural process of respiration is hindered, external devices, including the following, are needed to help deliver this vital gas.
Nasal Cannula
A nasal cannula is a lightweight tube split at one end into two prongs and placed in the nostrils. It is typically used to deliver low to medium levels of oxygen.
Suggested flow rate: The suggested flow rate for a nasal cannula typically ranges between 1 and 6 L/min.
Oxygen percentage setting:...
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...
Mechanical Ventilation III: Noninvasive Ventilation01:23

Mechanical Ventilation III: Noninvasive Ventilation

Noninvasive positive-pressure ventilation (NIPPV), continuous positive airway pressure (CPAP), and bilevel positive airway pressure (BiPAP) are essential methods in respiratory care. These ventilation techniques offer unique benefits for patients with various respiratory conditions, providing adequate support without requiring intubation. Let's explore how each method is crucial in improving patient outcomes and enhancing respiratory therapy.
Noninvasive Positive-Pressure Ventilation (NIPPV)
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...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Symptomatic Improvement in Irritable Bowel Syndrome With Oral Ketamine.

WMJ : official publication of the State Medical Society of Wisconsin·2024
Same author

Maintenance of Ionized Calcium During Prolonged Extreme Massive Transfusion During Liver Transplantation.

WMJ : official publication of the State Medical Society of Wisconsin·2023
Same author

A Case Report of Hypotension and Methemoglobinemia Associated With Gunshot Residue Poisoning: Nitrite-Induced Methemoglobinemia.

A&A practice·2023
Same author

Hydroxocobalamin for treatment of catecholamine-resistant vasoplegia during liver transplantation: A single-center series of 20 cases.

International journal of surgery case reports·2022
Same author

Calcium Chloride Requirement and Postreperfusion Rebound During Massive Transfusion in Liver Transplantation.

Journal of cardiothoracic and vascular anesthesia·2022
Same author

Effects of Subnormothermic Regulated Hepatic Reperfusion on Mitochondrial and Transcriptomic Profiles in a Porcine Model.

Annals of surgery·2021

Related Experiment Video

Updated: Jun 18, 2026

A Novel Rescue Technique for Difficult Intubation and Difficult Ventilation
04:46

A Novel Rescue Technique for Difficult Intubation and Difficult Ventilation

Published on: January 17, 2011

Difficult mask ventilation.

Mohammad El-Orbany1, Harvey J Woehlck

  • 1Department of Anesthesiology-West, Medical College of Wisconsin, Froedtert Memorial Lutheran Hospital, 9200 W Wisconsin Ave., Milwaukee, WI 53226, USA. elorbany@mcw.edu

Anesthesia and Analgesia
|November 20, 2009
PubMed
Summary
This summary is machine-generated.

Difficult mask ventilation (DMV) poses challenges due to varied definitions and multiple contributing factors. Recognizing predictors like obesity and Mallampati Class III/IV is crucial for effective airway management.

More Related Videos

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

Related Experiment Videos

Last Updated: Jun 18, 2026

A Novel Rescue Technique for Difficult Intubation and Difficult Ventilation
04:46

A Novel Rescue Technique for Difficult Intubation and Difficult Ventilation

Published on: January 17, 2011

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:

  • Anesthesiology
  • Emergency Medicine
  • Critical Care

Background:

  • Mask ventilation is a fundamental airway management skill.
  • Difficult mask ventilation (DMV) presents significant clinical challenges.
  • Inconsistent definitions of DMV complicate research and communication.

Purpose of the Study:

  • To review current knowledge on difficult mask ventilation (DMV).
  • To identify factors contributing to DMV.
  • To highlight predictors and management strategies for DMV.

Main Methods:

  • Literature review of studies on difficult mask ventilation.
  • Analysis of reported incidence and contributing factors.
  • Identification of independent predictors for DMV.

Main Results:

  • DMV incidence varies widely (0.08%–15%) due to differing definitions.
  • Factors include technique-related and airway-related issues.
  • Predictors include obesity, age >55, snoring, lack of teeth, beard, Mallampati III/IV, and abnormal mandibular protrusion.

Conclusions:

  • Standardized definition for DMV is needed.
  • Preoperative identification of predictors is essential.
  • DMV increases risk of difficult tracheal intubation, requiring preparedness for management.