Term
| Facial nerve paralysis: central |
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Definition
-unilateral
-ear drop
-inability to close the eye
-keratitis
-muzzle pulled to the unaffected side |
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Term
| Peripheral facial nerve paralysis |
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Definition
-eyelid and aural movements are normal
-etiology: CN VIII or vestibular apparatus damaged |
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Term
| Clinical signs peripheral facial nerve paralysis |
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Definition
-head tilt
-ataxia
-drifting to affected side
-horizontal nystagmus |
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Term
| Vestibular disease: dx, etiology, clinical signs |
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Definition
-continuous head tilt to the left
-reluctant to move-> drifted towards the side of the head tilt
-Dx: skull rads, titers for protozoal myelitis
-Etiology: head trauma, stylohyoid osteoarthropathy, pathologic fracture extends into petrous temporal bone, EPM
-Clinical signs: vestibular signs, additional CN V through XII (VII most frequently) |
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Term
| Temorohypoid Osteoarthropay |
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Definition
-CN VII, VIII deficits
-Central corneal ulcer |
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Term
|
Definition
-anti-inflammatory drugs: DMSO, corticosteroids, NSAIDS
-antibiotics-TMP-S for otitis; Pen/Gent for skull fractures
-surgery: ceratohyoidectomy |
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Term
|
Definition
-lesions can involve internal carotid artery, facial, vagus, and glossopharyngeal nn and cranial sympathetic trunk
-hemorrhage
-Dysfunction: CN VII, IX, X, and XI |
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Term
|
Definition
-more often is due to non-neurologic disorder
-neurologic dysphagia involve: brainstem nuclear regions, glosohparyngeal and vagus nerves
-severe forebrain diseases: swallowing reflexes are intact
-Ddx: inflammatory, toxic, physical non-neurological |
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Term
|
Definition
-there is ataxia
-there is no weakness
-dysmetric
-jerky head bobbing
-intention tremor
-absent or inconsisten menace |
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Term
|
Definition
-Arabian foals
-Jersel, Shorthorn, Angus, Holstein
-signs develop at 1-6 months |
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Term
| Cerebellar abiotrophy path |
|
Definition
-autosomal recessive
-degeneration and depletion of Purkinje and granular cells
-genetic test available for Arabians |
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Term
|
Definition
-associated with BVD infection
-clinical signs apparent at birth
-small cerebellum |
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Term
| Occipitoatlantoaxial malformation |
|
Definition
-familiar occipitalization of the atlas with atlantalization of the axis
-ARabian (mainly), also Friesian, Saddlebred, Appaloosa
-Three clinical presentations:
1. dead at birth
2. tetraparesis at birth
3. progressive ataxia as foals |
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