Otoscopy - indications for examination and preparation of the patient

Contents:

1. When appointed?

2. Contraindications

3. How to prepare?

Otoscopy - this instrumental method of viewing the surface of the eardrum and ear canal using a special instrument (otoscope) or via a direct light source, refractometer and specula.During the otoscopy produce paracentesis (incision of the eardrum to clean the cavity of the middle ear exudate in acute purulent otitis), auripuncture, remove polyps, granulation and other foreign bodies.

Procedure otoscopy following:

  1. light source is placed near the patient at the level of his right ear.
  2. doctor sits in front of the patient and to the light source.
  3. examinee's head is turned to the opposite side of the examinee's ear (about 90 °).Next
  4. doctor directs light from the refractometer in the ear canal, to inspect it.
  5. Making sure there are no obstructions, such as boils, he gently pulls up the ear.
  6. Then the doctor inserts into the ear canal rotational motions metal ear funnel, pre-heated to body temperature.The diameter o
    f the crater is chosen individually.
  7. directing reflected light refractometer in the funnel produces specialist inspection.The entire examination takes about 5-10 minutes.

If inspection is used otoscope (a special flexible instrument, equipped with a light source and a miniature video camera), the patient also sits sideways to the doctor.ENT physician slowly puts the otoscope into the ear canal, watching his progress on the screen.By changing the angle of inclination of the device, he examines in detail the state of the tympanic membrane, as well as extracts foreign bodies and take tissue samples by means of special tools.

When he appointed?

There are a number of indications for otoscopy:

  • itching ear;
  • partial or complete loss of hearing;
  • noise and ear pain of unknown etiology;
  • penetration of a foreign body in the ear canal;
  • sensation of splashing in the ear;
  • evstahiit;
  • eczema of the outer ear;
  • signs of chronic or acute otitis media;
  • removal of polyps, granulation, serous congestion;
  • assessment of individual features of the structure of the ear when choosing a hearing aid;
  • mechanical injury of the tympanic membrane or cavity.

Contraindications

contraindicated otoscopy to conduct preparatory measures.The epidermis and sulfur may affect oto- picture.In addition, the application procedure is limited after traumatic injuries, as a result of which it becomes impossible to pass through the otoscope the external auditory canal or congenital anomalies of the ear.Otoscopy itself does not cause any effect.

How to prepare?

survey requires no special training.A few hours before the procedure, the patient should stop using the ear drops.Experts recommend to verify the absence of any visible damage and perform a normal hygienic cleaning of the external auditory passage of the patient (to remove particles of earwax, dirt, desquamated epithelium, suppuration).

Cleaning the eardrum and ear canal is performed using sterile cotton wool and thin probes.Wool moistened with paraffin oil in order to facilitate the removal of crusts and reduce irritation of the walls.If the first inspection can not clean the ear, the doctor prescribes infusion vaseline oil 5 drops 2-3 times daily.The procedure is performed in a few days, and only then proceed to clean again.

Regarding the washing with clean water is suspected if the patient has a dry perforation, it is contraindicated: this manipulation can infect the middle ear.In the presence of pus in the ear complete removal of exudate to be performed.

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