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

Mechanical Ventilation II: Invasive Ventilation01:23

Mechanical Ventilation II: Invasive Ventilation

505
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...
505
Factors Affecting Pulmonary Ventilation01:19

Factors Affecting Pulmonary Ventilation

2.6K
Besides the pressure difference between the external environment and the lungs, the airflow rate and ease of pulmonary ventilation are also influenced by three other factors: surface tension of the fluid in the alveoli, compliance of the lungs, and airway resistance.
Alveolar Surface Tension
The alveolar fluid lines the luminal surface of the alveoli and exerts a force called surface tension. This force is caused by the polar water molecules in the liquid being more strongly attracted to each...
2.6K
Transmission-based Precautions II: Airborne and Protective Environment01:25

Transmission-based Precautions II: Airborne and Protective Environment

1.7K
Transmission-based precautions are for patients infected or suspected to be infected (or colonized) with organisms posing a significant risk to others. The transmission precautions include airborne and protective environment precautions.
Airborne precautions:
Use airborne precautions when treating patients known or suspected to have diseases that spread through the air—for example, tuberculosis or measles. These organisms are present in smaller droplets expelled by an infected person and...
1.7K
Ventilatory Modes01:14

Ventilatory Modes

1.0K
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...
1.0K
Inhaled Medications01:23

Inhaled Medications

622
Inhaled medications are crucial for managing chronic obstructive pulmonary disease (COPD) and asthma. They are essential for effective treatment and control, ensuring optimal respiratory health and well-being. Inhaled medication delivers drugs directly to the lungs, providing a rapid onset of action and reducing systemic side effects compared to oral or injectable medications. Three primary types of inhalation devices are used to administer these medications: nebulizers, metered-dose inhalers...
622
Acute Respiratory Failure-V01:29

Acute Respiratory Failure-V

355
The treatment for acute respiratory failure varies based on factors like the underlying cause, overall health, and severity. A collaborative healthcare team is essential for early detection, often through arterial blood gas analysis. Identifying the cause is the primary goal, with treatment strategies adjusted for ventilation/perfusion (V/Q) mismatch, shunting, or diffusion impairment.
Ensure that patients are monitored continuously for their response to therapy, including changes in...
355

You might also read

Related Articles

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

Sort by
Same author

The Utilization of the Completeness of Surgery Index in Revision Endoscopic Sinus Surgery Patients on Biologic Therapy for CRSwNP.

International forum of allergy & rhinology·2026
Same author

A Zonal Denervation Approach to Surgical Management of Facial Synkinesis.

Facial plastic surgery & aesthetic medicine·2026
Same author

Effect of Superior Laryngeal Nerve Block for Neurogenic Cough: A Single-Arm Meta-Analysis.

Otolaryngology--head and neck surgery : official journal of American Academy of Otolaryngology-Head and Neck Surgery·2026
Same author

Modern methods of dorsal augmentation rhinoplasty.

Current opinion in otolaryngology & head and neck surgery·2026
Same author

Anesthetic considerations for ambulatory and office-based otolaryngologic surgery.

Current opinion in anaesthesiology·2026
Same author

Subjective Voice Outcomes and Intralaryngeal Findings after Transcervical Chondrolaryngoplasty.

Ear, nose, & throat journal·2026

Related Experiment Video

Updated: Dec 18, 2025

Use of Capillary Aerosol Generator in Continuous Production of Controlled Aerosol for Non-Clinical Studies
08:33

Use of Capillary Aerosol Generator in Continuous Production of Controlled Aerosol for Non-Clinical Studies

Published on: April 12, 2022

3.8K

Aerosolization During Common Ventilation Scenarios.

Roy Xiao1,2, Alan D Workman1,2, Elefteria Puka1

  • 1Massachusetts Eye and Ear, Department of Otolaryngology-Head and Neck Surgery, Boston, Massachusetts, USA.

Otolaryngology--Head and Neck Surgery : Official Journal of American Academy of Otolaryngology-Head and Neck Surgery
|June 17, 2020
PubMed
Summary
This summary is machine-generated.

Intubation without coughing is safer than previously thought, generating minimal aerosols. However, coughing, especially via tracheostomy, significantly increases aerosol production, posing risks for otolaryngologists.

Keywords:
COVID-19aerosolcoughintubationtracheostomyventilation

More Related Videos

Whole-Body Nanoparticle Aerosol Inhalation Exposures
10:11

Whole-Body Nanoparticle Aerosol Inhalation Exposures

Published on: May 7, 2013

16.2K
Detection of Viruses from Bioaerosols Using Anion Exchange Resin
06:10

Detection of Viruses from Bioaerosols Using Anion Exchange Resin

Published on: August 22, 2018

8.5K

Related Experiment Videos

Last Updated: Dec 18, 2025

Use of Capillary Aerosol Generator in Continuous Production of Controlled Aerosol for Non-Clinical Studies
08:33

Use of Capillary Aerosol Generator in Continuous Production of Controlled Aerosol for Non-Clinical Studies

Published on: April 12, 2022

3.8K
Whole-Body Nanoparticle Aerosol Inhalation Exposures
10:11

Whole-Body Nanoparticle Aerosol Inhalation Exposures

Published on: May 7, 2013

16.2K
Detection of Viruses from Bioaerosols Using Anion Exchange Resin
06:10

Detection of Viruses from Bioaerosols Using Anion Exchange Resin

Published on: August 22, 2018

8.5K

Area of Science:

  • Otolaryngology
  • Infectious Disease Control
  • Respiratory Medicine

Background:

  • Otolaryngologists face high aerosol exposure risks during COVID-19.
  • Understanding aerosol generation from ventilation is crucial for patient safety.

Purpose of the Study:

  • Quantify aerosol generation during common otolaryngologic ventilation scenarios.
  • Compare aerosol production between intubation, tracheostomy, and coughing.

Main Methods:

  • Used porcine larynx-trachea-lung specimens for ventilation experiments.
  • Employed an optical particle sizer to measure 1-10 µm particles (PP30).
  • Compared aerosol counts during intubation, tracheostomy with simulated coughing, and background levels.

Main Results:

  • Ventilation of intubated specimens produced minimal aerosols (10.8 ± 2.4 PP30), similar to background (9.5 ± 2.1).
  • Simulated coughing via tracheostomy generated significantly more aerosols (53.5 ± 25.2 PP30) than intubation or background.

Conclusions:

  • Intubation without coughing appears to be a relatively safe ventilation method regarding aerosol generation.
  • Coughing significantly increases aerosol production, particularly when using a tracheostomy.
  • Otolaryngologists require enhanced personal protective equipment due to increased aerosol exposure risks during airway management and tracheostomy procedures.