laryngospasm

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laryngospasm

[lə′riŋ·gə‚spaz·əm]
(medicine)
Sudden and uncontrollable closure of the larynx; often seen in anaphylactic reactions.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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Management of laryngeal spasm can be quite difficult, but not impossible.
Coroner Aidan Cotter heard from several expert witnesses how Mrs Yardley may have suffered an unforeseen adverse reaction to the drugs, a pulmonary embolism or blood clot, a cardiac arrhythmia, or a laryngeal spasm - an involuntary closure of the airway.
This continues until they have to breathe, thereby involuntarily inhaling a large volume of water, which either enters the lungs (in most instances) or reaches the larynx--producing the laryngeal spasm that results in dry drowning.
Two or three sprays of 10% topical lidocaine were applied to the vocal folds to prevent laryngeal spasm. Anesthesia was maintained by administer ing an intermittent IV bolus of 0.5 to 2 mg/kg of propofol every 5 to 10 minutes, depending on the stability of the airway (determined by vocal fold movement and coughing reflex) as observed on the video monitor, the wakefulness of the patient (determined by the swallowing reflex and body movement), and the respiratory rhythm.
(1) Table Synonyms for hysterical stridor * Adult spasmodic croup Atypical asthma Benign vocal fold dysfunction Emotional laryngeal wheezing Emotional laryngospasm Episodic laryngeal dyskinesia Expiratory laryngeal stridor Factitious asthma Functional abduction paresis Functional inspiratory stridor Functional upper airway obstruction Functional vocal fold paralysis Laryngismus fugax Munchausen's strider Nonorganic upper airway obstruction Paradoxical vocal fold motion Pseudoasthma Psychogenic stridor Psychogenic upper airway obstruction Psychosomatic stridor Respiratory glottic spasm Transient laryngeal spasm * Based on information published by Snyder and Weiss.
Special care should be taken to avoid lubricating the interior surface of the LMA because this can cause a laryngeal spasm. (5) The LMA is placed into the hypopharynx of the anesthetized patient until resistance is met.