Diagnostic tests for ENT disorders

1. DIAGNOSTIC TESTS OF EAR

2. Otoscopic examination.
Whispered speech test
Audiography
Tympanogram
Auditory brain stem response(ABR) testing.
Pure tone Audiometry(PTA)
Electronystagmography(ENG)
Middle ear endoscopy

3. Rotary chair assessment
Laboratory tests.
MRI
CT Scan
Arteriography
Romberg test
Platform Posturography

4. OTOSCOPIC EXAMINATION
 It is a visual examination of the auditory canal and
tympanic membrane using an otoscope.
 It is also part of normal physical examination.
 It examines infection or blockage due to presence of
foreign object or buildup of wax, tympanic membrane
of rupture.

5. WHISPERED SPEECH TEST
 It is a quick screening test for hearing.
 It is a bedside estimate of hearing impairment in
which examiner stands 2 ft from one of the patient’s
ear.
 Examiner whispers a number followed by a letter.
 An approximate 30 db hearing loss is suggested by
inability to hear paired numbers and letters.

6. WHSIPERED SPEECH TEST

7. AUDIOGRAPHY TESTS
Rinne test Weber test

8. RINNE TEST
 It compares air and bone conduction hearing.
 Strike a 512 Hz tunic fork softly.
 Place the vibrating tunic fork in the base of mastoid
bone. Ask client to tell you when the sound is no
longer heard.
 Place the tunic fork to auditory meatus. Ask the client
to tell you when the sound is no longer heard. Note
time interval and findings

9. INTERPRETATION

10. WEBBER TESTS
 It distinguishes between conductive and sensorineural
hearing loss.
 Strike a 512 Hz tunic fork softly.
 Place the vibrating fork on the middle of the client’s
head .
 Ask client if the sound is heard better in one ear or
same in both ears.

11. TYMPANOGRAM
 It is test for middle ear functioning.
 In this a probe will be placed in the ear and cause air
pressure.
 It is a graphical representation of the relationship
between the air pressure in the ear canal and
movement of the eardrum or tympanic membrane.

13. AUDITORY BRAIN STEM RESPONSE
(ABR) TESTING
 It is a neurological test detects sensorineural hearing
loss.
 It measures auditory nerve reactions in response to
sounds.
 It can be used to detect hearing loss in infants and
very young children.
 Audiologist will place electrodes on child’s forehead
and ears, which send EEG readings to a computer.

14. ABR TESTING

15. PURE TONE AUDIOMETRY
 It is a behavioral hearing test that is designed to
measure the severity and balance(unilateral or
bilateral) of a person’s hearing loss.
 It utilizes a series of pure tones presented at selected
frequencies within the range if hearing .

16. PURE TONE AUDIOMETRY

17. ELECTRONYSTAGMOGRAPHY(ENG)
 It is a diagnostic test to record involuntary eye
movements (Nystagmus).
 It cam also be used to diagnose the cause of vertigo,
dizziness, balance dysfunction by testing the
vestibular system.

18. ENG


19. MIDDLE EAR ENDOSCOPY

20. ARTERIOGRAPHY
 It is used to assess vascular abnormalities in temporal
bone.

21. ROTARY CHAIR ASSESSMENT
 It is used to assess Vestibular function.
 Rotation of the client in a chair in darkness provides
information about vestibular dysfunction and the level
of central dysfunction.

23. PLATFROM POSTUROGRAPHY
 It helps to identify, localize the source of balance
disorders.
 The client stands in a tall box like device while the
floor moves.
 No visual cues are provided and response to
correcting balance is recorded. Most people correct
posture changes with adjustments in muscles.

24. PLATFROM POSTUROGRAPHY

25. ROMBERG TESTS
 The Romberg test is a test of the body's sense of
positioning (proprioception), which requires healthy
functioning of the dorsal columns of the spinal cord.
 The Romberg test is used to investigate the cause of
loss of motor coordination (ataxia).

28. MRI & CT
 It is the test of choice for tumors of the temporal
bone.
 For certain Diagnostic assessment , both MRI and CT
scans are obtained.

29. LABORATORY TESTS
Blood tests
Cultures
Test for CSF
Tissue
specimens