laryngoscopy


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Laryngoscopy

 

Definition

Laryngoscopy refers to a procedure used to view the inside of the larynx (the voice box).

Description

The purpose and advantage of seeing inside the larynx is to detect tumors, foreign bodies, nerve or structural injury, or other abnormalities. Two methods allow the larynx to be seen directly during the examination. In one, a flexible tube with a fiber-optic device is threaded through the nasal passage and down into the throat. The other method uses a rigid viewing tube passed directly from the mouth, through the throat, into the larynx. A light and lens affixed to the endoscope are used in both methods. The endoscopic tube may also be equipped to suction debris or remove material for biopsy. Bronchoscopy is a similar, but more extensive procedure in which the tube is continued through the larynx, down into the trachea and bronchi.

Preparation

Laryngoscopy is done in the hospital with a local anesthetic spray to minimize discomfort and suppress the gag reflex. Patients are requested not to eat for several hours before the examination.

Aftercare

If the throat is sore, soothing liquids or lozenges will probably relieve any temporary discomfort.

Risks

This procedure carries no serious risks, although the patient may experience soreness of the throat or cough up small amounts of blood until the irritation subsides.

Normal results

A normal result would be the absence of signs of disease or damage.

Abnormal results

An abnormal finding, such as a tumor or an object lodged in the tissue, would either be removed or described for further medical attention.

Key terms

Endoscopic tube — a tube that is inserted into a hollow organ permitting a physician to see the inside it.

laryngoscopy

 [lar″ing-gos´kah-pe]
visual examination of the larynx with a laryngoscope. With direct visualization, the patient is given a mild sedative to promote relaxation, because the procedure, though not uncomfortable, may be frightening and exhausting. Immediately before insertion of the laryngoscope, the throat is anesthetized locally with cocaine spray. Following the procedure, fluids and foods are withheld until the effects of the anesthetic have worn off and the gag reflex has returned. Visualization may also be indirect, which means examination is done by observation of the reflection of the larynx in a laryngeal mirror. adj., adj laryngoscop´ic.

lar·yn·gos·co·py

(lar'ing-gos'kŏ-pē),
Inspection of the larynx by means of the laryngoscope.

laryngoscopy

/lar·yn·gos·co·py/ (lar″ing-gos´kah-pe) visual examination of the interior larynx.laryngoscop´ic

laryngoscopy

(lăr′ĭn-gŏs′kə-pē)
n.
Examination of the larynx by means of a laryngoscope.

laryngoscopy

[ler′ing·gos′kəpē]
Etymology: Gk, larynx + skopein, to view
the use of a laryngoscope to view the larynx. See also indirect laryngoscopy. laryngoscopic, adj.

laryngoscopy  

ENT Examination of the larynx, either with a mirror–indirect laryngoscopy or with a laryngoscope–direct laryngoscopy; a diagnostic and/or therapeutic procedure in which a laryngoscope is passed through the larynx to detect lesions, strictures or foreign bodies. See Larynx.

lar·yn·gos·co·py

(lar'in-gos'kŏ-pē)
Inspection of the larynx by means of the laryngoscope.

laryngoscopy

Examination of the LARYNX either directly by extending the recumbent subject's neck and using a rigid metal instrument, called a laryngoscope, to depress the tongue, or indirectly by way of an angled mirror held behind the back of the tongue. Direct laryngoscopy allows BIOPSY of the vocal cords and removal of polyps, nodules or foreign bodies.

lar·yn·gos·co·py

(lar'in-gos'kŏ-pē)
Inspection of the larynx by means of the laryngoscope.

laryngoscopy,

n the use of a laryngoscope to view the larynx.

laryngoscopy

direct visual examination of the larynx with a laryngoscope.
References in periodicals archive ?
Video Laryngoscopy vs Direct Laryngoscopy on Successful First-Pass Orotracheal Intubation Among ICU Patients: A Randomized Clinical Trial.
5] The transient circulatory response evoked by direct laryngoscopy and intubation are probably innocuous in patients with normal circulatory system.
Laryngoscopy and endotracheal intubation are very stressful events and can provoke deleterious hemodynamic disturbances(21).
After obtaining written informed consent, patients were assigned, by using a computer-generated block randomisation, to laryngoscopy with either McGrath video laryngoscope or the Macintosh laryngoscope.
The Storz videolaryngoscope has proven useful in teaching laryngoscopy as it permits a direct view of the anatomical structures and the results of the external manipulation of the larynx.
Key Words: Difficult intubation difficult laryngoscopy endotracheal intubation predictive airway tests upper lip bite test.
Videolaryngoscopes are easy to use in most patients (5), require less force during laryngoscopy and often provide a better view of the vocal cords than standard laryngoscopy in both normal and difficult airways (5,6).
Indirect laryngoscopy Used to detect laryngitis, benign or malignant laryngeal tumours and diminished movement of the vocal cords.
Both speech pathologists and otolaryngologists will welcome this superb text, which presents the examination methods and technology for indirect laryngoscopy, flexible laryngoscopy, videostroboscopy, and high-speed laryngeal imaging.