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Identification of Paradoxical Vocal Fold Movement with Diagnostic Ultrasound: Confirmation with Video Laryngoscopy.

08:00 EDT 14th August 2019 | BioPortfolio

Summary of "Identification of Paradoxical Vocal Fold Movement with Diagnostic Ultrasound: Confirmation with Video Laryngoscopy."

A well-recognized cause of dyspnea in athletes is vocal cord dysfunction (VCD). VCD is characterized by paradoxical vocal fold movement (PVFM) in which the vocal folds adduct (close) during inspiration. Symptoms of VCD include wheezing, stridor, dyspnea, and exercise intolerance. This article is protected by copyright. All rights reserved.

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Name: PM & R : the journal of injury, function, and rehabilitation
ISSN: 1934-1563
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Medical and Biotech [MESH] Definitions

A disorder characterized by an intermittent abnormal VOCAL CORDS movement toward the midline during inspiration or expiration resulting in upper AIRWAY OBSTRUCTION.

A pair of cone-shaped elastic mucous membrane projecting from the laryngeal wall and forming a narrow slit between them. Each contains a thickened free edge (vocal ligament) extending from the THYROID CARTILAGE to the ARYTENOID CARTILAGE, and a VOCAL MUSCLE that shortens or relaxes the vocal cord to control sound production.

Ultrasonography applying the Doppler effect, with frequency-shifted ultrasound reflections produced by moving targets (usually red blood cells) in the bloodstream along the ultrasound axis in direct proportion to the velocity of movement of the targets, to determine both direction and velocity of blood flow. (Stedman, 25th ed)

Very small encapsulated gas bubbles (diameters of micrometers) that can be used as CONTRAST MEDIA, and in other diagnostic and therapeutic applications. Upon exposure to sufficiently intense ultrasound, microbubbles will cavitate, rupture, disappear, release gas content, etc. Such characteristics of the microbubbles can be used to enhance diagnostic tests, dissolve blood clots, and deliver drugs or genes for therapy.

The process of producing vocal sounds by means of VOCAL CORDS vibrating in an expiratory blast of air.

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