Cranial Nerve Assessment: VIII.
Vestibulococlear (Auditory) |
Examination type |
Neurological assessment |
Patient & Body Segment Positioning |
Patient needs to be in a comfortable position,
either
sitting or standing. Patient should have their eyes
closed.
For the second part of this
test, the patient should be standing with eyes open. |
Examiner Position |
The examiner needs to be anterior to (in front
of) the patient.
For the second part of this
test, the examiner should be standing beside the patient
with arms ready to catch the patient if he should become
unsteady. |
Performing the Test |
Ask the patient to identify sounds in each ear
individually. Examples of sounds to identify include
fingers rubbing together, snapping fingers, or a ticking watch.
For the second part of the
test, ask the patient to balance first on one foot with eyes
open, then on the other foot with eyes open. |
Tissues
Being Tested |
Integrity of cranial nerve VIII
(vestibulococlear) |
Positive Test |
Inability to recognize sounds or diminished
hearing ability in first part of test, or unsteadiness/inability
to balance in second part of test; both indicate the need for medical consultation |
Interpretation |
Intracranial involvement |
Common errors in
performing exam |
Forgetting to test both hearing
and
balance; not spotting the athlete during the
balance portion of the test |
Factors possibly
resulting in misinterpretation |
Make sure that the athlete understands what you
are doing when performing the test |
Related tests |
Romberg’s test & walking in tandem |
References |
Booher M. James. Athletic Injury
Assessment. 4th edition. McGraw Higher
Education 2000 |
Links: |
http://www.meddean.luc.edu/lumen/MedEd/GrossAnatomy/h_n/cn/cn1/cn5.htm |
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