Term
| What are the 3 components of a vestibular evaluation? |
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Definition
| Case history, physical, and laboratory tests |
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Term
| List five types of eye movement which can be assessed as part of a bedside exam |
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Definition
| Spontaneous nystagmus, Saccades, Smooth pursuit, Convergence/divergence, and Gaze |
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Term
| Describe the conditions of a Romberg test |
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Definition
| Solid surface eyes open, solid surface eyes closed, foam cushion eyes open, and cushion eyes closed. |
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Term
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Definition
| Have the patient close their eyes and march in place for 30 seconds. If patient deviates more 30 degrees it is abnormal. |
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Term
| Describe the dynamic visual acuity test |
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Definition
| Can use Snellen chart and compare best corrected vision with head movement of about 2 Hz with best corrected vision while still. Loss of 3 lines indicated possible deficit. |
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Term
Headshake Nystagmus Test:
-Indicates ___ within VOR
-As head is shaken in a horizontal fashion, intact side builds up and is stored in a central ___ ___ mechanism. When headshaking stops, this energy discharges causing a slow-phase response ___ from intact side |
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Definition
| asymmetry; velocity storage; away |
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Term
| Headshake nystagmus test has a ___ sensitivity and ___ specificity. A positive result suggests that the patient likely has or has had a ___ ___. A negative result can't ___ ___ a dysfunction. |
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Definition
| low; good; vestibular dysfunction; rule out |
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Term
Head impulse test:
-Can be done in different ___
-For horizontal, head tilted down ___ degrees
-Turn patient head to side, have patient focus on ___. Instruct patient to relax neck and let patient know you will be __________ and to keep eyes focused on your nose
-Move head ___ to center
-___ specificity and high sensitivity
-Sensitivity increases as degree of vestibular hypofunction ___
-___ sensitive than full electrophysiologic balance test battery |
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Definition
| planes; 30; nose; moving their head; abruptly; High; increases; Less |
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Term
| Heal to toe walking in a tight figure eight or circular pattern |
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Definition
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Term
| The tandem gait test is most commonly associated with ___ dysfunction and has a ___ specificity |
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Definition
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Term
| Time the patient while they get up from a chair, walk to a line on the floor (about 10 feet away), and then sit back down. Specificity is low. |
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Definition
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Term
| This is where you have the patient lie down for 5-10 mintues, check their blood pressure, then have the patient stand up quickly, and then check their blood pressure again. |
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Definition
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Term
| Describe the Dix-Hallpike |
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Definition
| Have the patient sit on the table with their legs laid out in front of them, turn their head 45 degrees to the right and then lay them down with their head hanging off of the table at an angle of 30 degrees. Have them look at your nose and give them a task to do. Sit them back up after a minute. Do the same thing on the other side. |
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Term
| Describe the vertebral artery test |
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Definition
| Have the patient sit down and have them move their head forward and have them turn a little bit to the side as they keep talking to you. Speech will get more mumbled if the artery is suppressed. Can also have the patient lay down in the supine position and then have them turn 90 degrees to the right and have them count down from 10. Then have them turn back to center and have their head hanging off of the bed 30 degrees and have them do the same thing. Then do the same on the left side. |
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