Welch-allyn Illuminators and Transilluminators - User Manual Uživatelský manuál stáhnout pdf (Strana 9)

Indirect Nasopharyngoscopy

Indirect nasopharyngoscopy (posterior rhino-

scopy)

is accomplished with the Nasopharynx

Illuminator. Of interest is the “vault” of the

nasopharynx and eustachian tubes, adenoid

tissue, polyps and tumors.

The following steps will produce satisfactory

examination results:

1.

The examiner should sit to one side (pa-

tient’s left) or in front of the patient to be

examined.

2. The Welch

Allyn

hand piece with attached

nasopharyngeal mirror is held in the exam-

iner’s right hand. The light switch is turned

on to illuminate the fiber optic light source.

3. Following depression of the tongue with a

tongue blade held in the left hand, the pa-

tient is asked to breathe simultaneously

through his nose and mouth. This relaxes

the soft palate.

4. The mirror is passed into the mouth along

the surface of the tongue blade, coming to

rest between the soft palate and the

pha-

ryngeal wall. Care should be taken to avoid

touching the tongue, pharynx or palate

with the mirror.

5. The handle of the mirror is depressed and

rotated from side to side so that succes-

sive parts of the nasopharynx may be

viewed.

6. Should excessive gagging ensue, topical

anesthesia should be applied.

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