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Related Experiment Video

Updated: Jun 17, 2026

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

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

Published on: December 1, 2023

Vocal cord dysfunction.

James Deckert¹, Linda Deckert

¹Saint Louis University School of Medicine, St. Louis, MO 63104 , USA. deckertj@slu.edu

American Family Physician

|January 20, 2010

Summary

This summary is machine-generated.

Vocal cord dysfunction (VCD) causes airway obstruction and is often misdiagnosed as asthma. Diagnosis involves specialized tests, and treatment includes managing triggers and speech therapy.

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Last Updated: Jun 17, 2026

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

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

Published on: December 1, 2023

Area of Science:

Pulmonology
Otolaryngology

Background:

Vocal cord dysfunction (VCD) is characterized by abnormal vocal cord movement leading to partial airway obstruction.
It is frequently misdiagnosed as asthma, leading to delayed or incorrect treatment.
Various factors like exercise, irritants, and GERD can trigger VCD symptoms.

Purpose of the Study:

To elucidate the key aspects of vocal cord dysfunction, including its presentation, triggers, differential diagnosis, diagnostic methods, and management strategies.

Main Methods:

Review of clinical presentations and diagnostic approaches for VCD.
Discussion of differential diagnoses including asthma, angioedema, tumors, and paralysis.
Highlighting the utility of pulmonary function testing (flow-volume loop) and flexible laryngoscopy.

Main Results:

VCD presents as respiratory distress mimicking asthma.
Common triggers include exercise, airborne irritants, and gastroesophageal reflux disease.
Diagnostic confirmation relies on flow-volume loops and laryngoscopy.

Conclusions:

Accurate diagnosis of VCD is crucial to differentiate it from asthma.
Effective management involves addressing triggers and utilizing speech therapy.
Acute episodes can be managed with reassurance and heliox therapy.