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9 Cards in this Set
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- Back
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CV Instability
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- Translational instability between C1-C2
- Anterior or posterior translation possible - Spinal fusion necessary to fix |
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What atlantodental interval (ADI) is positive for CV instability?
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- > 3 mm
- Can indicate dens fx or lax transverse ligament |
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What are the six differential diagnoses related to dizziness of cervical origin?
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1. Post-concussion syndrome
2. Postural hypotension 3. Vestibular dysfunctions 4. Benign paroxysmal positional vertigo 5. CV instability (alar or transverse ligament trauma) 6. Vertebrobasilar ischemia (VBI) |
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What are characteristics of a patient with post-concussion syndrome?
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- Rapid head movements in any direction produce symptoms
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What are characteristics of a patient with postural hypotension?
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- Older patient
- Lying to sitting/standing position change produces symptoms |
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What are characteristics of a patient with vestibular dysfunction?
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- Can be any age group
- Infectious, traumatic, neoplastic causes - Head movement causes symptoms, lasts longer - Tinnitus or fullness in ear (Meniere's syndrome) |
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What are the characteristics of a patient with BPPV?
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- Older patient
- Other signs absent (e.g. neck pain) - Body rotation test negative |
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What are the characteristics of a patient with CV instability?
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- Nausea
- Positive ligamentous stress tests |
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What are the characteristics of a patient with VBI?
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- Positive body rotation test
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