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Related Concept Videos

Larynx01:21

Larynx

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The human larynx, often referred to as the voice box, is an intricate organ located in the neck. It serves as a pathway for air to enter the lungs during respiration and is an essential component of voice production.
Anatomy of the Larynx
The larynx consists of various components, including cartilage, muscles, and vocal cords. Its structure includes three large unpaired cartilages—the thyroid, cricoid, and epiglottis—and three smaller paired cartilages—the arytenoids,...
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Tracheostomy Decannulation01:21

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Tracheostomy decannulation is a significant milestone in the liberation of mechanically ventilated patients. Despite its importance, there is no universally accepted protocol for this procedure. This demands an evidence-based, individualized approach.
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Tonsillitis II: Management01:26

Tonsillitis II: Management

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This lesson will focus on the different treatment options for managing tonsillitis, which typically depend on the cause and severity.
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Suctioning the Oropharyngeal Airway01:25

Suctioning the Oropharyngeal Airway

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In preparing for oropharyngeal airway suctioning, a nurse must gather all necessary equipment, including a suction unit with tubing, a prepackaged suction kit, sterile gloves, water or saline for irrigation, a water-soluble lubricant, and additional personal protective equipment (such as a gown, mask, and goggles) to control infections.
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Tracheostomy Care II: Procedure01:25

Tracheostomy Care II: Procedure

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Tracheostomy care is an essential nursing skill that involves cleaning and maintaining a tracheostomy tube to prevent infection and other complications. Here's a step-by-step guide explaining each procedure with its rationale. Note that disposable gloves are to be worn at all times and changed as often as needed to maintain a sterile work environment, and to protect both patient and healthcare worker.
Step 1: Perform hand hygiene, and put on personal protective equipment: gown, gloves, mask...
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Acute Pharyngitis01:30

Acute Pharyngitis

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Introduction
Acute pharyngitis is the inflammation of the back of the throat (pharynx), commonly resulting in a sore throat. It is a frequently encountered condition that prompts individuals to seek medical advice.
Classification
Acute pharyngitis can be categorized based on its underlying cause:
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Related Experiment Video

Updated: Dec 5, 2025

Minimally Invasive Murine Laryngoscopy for Close-Up Imaging of Laryngeal Motion During Breathing and Swallowing
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Minimally Invasive Murine Laryngoscopy for Close-Up Imaging of Laryngeal Motion During Breathing and Swallowing

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Vocal Fold Immobility Following Vaccination.

Guy Talmor1, Brandon Nguyen1, Corina Din-Lovinescu1

  • 1Department of Otolaryngology-Head and Neck Surgery, Rutgers New Jersey Medical School, Newark, NJ, USA.

The Annals of Otology, Rhinology, and Laryngology
|October 16, 2020
PubMed
Summary

Vaccine administration may be linked to vocal fold immobility (VFI), a rare condition causing voice and breathing problems. Physicians should consider this potential adverse event, though further research is needed to confirm a causal link.

Keywords:
post-viralvaccinationvagal neuropathyvocal fold immobilityvocal fold paralysis

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Area of Science:

  • Neurology
  • Immunology
  • Otolaryngology

Background:

  • Vocal fold immobility (VFI) significantly impacts quality of life, causing dysphonia and respiratory distress.
  • Etiologies of VFI are diverse, but the association with vaccination remains unexplored.

Purpose of the Study:

  • To investigate the potential relationship between vaccine administration and the occurrence of VFI.

Main Methods:

  • The Vaccine Adverse Event Reporting System (VAERS) database was queried for VFI cases post-vaccination.
  • Demographic and clinical data, including symptoms, onset, laterality, outcomes, and adverse events, were collected.

Main Results:

  • Twenty-two cases of VFI following vaccination were identified.
  • Commonly reported vaccines included influenza, shingles, pneumococcus, and hepatitis B.
  • The mean onset time was 6.3 days post-vaccination, with most cases being unilateral; 4 patients required intubation/tracheostomy.

Conclusions:

  • Vaccine administration may be associated with VFI, a rare post-vaccination cranial neuropathy.
  • Physicians should be aware of this potential adverse event, recognizing diagnostic challenges and potential under-reporting.
  • Further research is necessary to elucidate the pathophysiology and confirm a causal relationship.