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3,4,6.pptx
- 6. Bilateral ptosis C/L elevation x Nuclear
- 7. WEBER: I/L 3 + C/L hemiplegia BENEDIKT: I/L 3 + C/L tremors NOTHNAGEL: I/L 3 + I/L ataxia Fascicular
- 10. Cavernous Painful (5th N) Other nerves proptosis
- 11. Partial 3rd nerve paresis Proptosis Vision drop SOF and cavernous sinus:similar Orbital apex:+ 2nd nerve
- 12. TROCHLEAR NERVE Only SO minor head injuries
- 13. Nuclear level: C/L SO Nuclear and fascicular level differentiation x bilateral
- 15. Cavernous sinus
- 16. • Diplopia: downgaze,stairs • testing
- 18. diplopia
- 19. Nuclear: no isolated (7th N)
- 20. Fasicular
- 21. Basilar CP angle: v1,7,8,bruns+6th Clivus- ?isolated ?bilateral 6th Petrous Raised intracranial pressure - downward displacement of the brainstem- anchored in dorello-stretch over the petrous tip
Editor's Notes
- Unopposed action of 4 and 6, down and out on elevating lid, ipsilateral ptosis
- Patients with damage to the oculomotor nuclear complex need not have ipsilateral pupillary dilation, but when involved, it may indicate dorsal rostral damage.[1] often caused by ischemia, usually from embolic or thrombotic occlusion of small, dorsal perforating branches of the mesencephalic portion of the basilar artery.[1
- Initial miosis due to irritation, then mydriasis as
- horner
- that do not involve loss of consciousness: long thin
- Dorsal midbrain:decussate at ant medullary velum bilateral Below: I/L
- Congenital: confused with torticollis
- Gradenigo, cisterna pontis