Diferencia entre revisiones de «Sixth nerve palsy»
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==Background== | ==Background== | ||
* Most common ocular nerve palsy | |||
* Innervates the ipsilateral lateral rectus muscle controlling eye abduction | |||
* Esotropia of the affected eye due to the unopposed action of the medial rectus muscle. | |||
==Clinical Features== | ==Clinical Features== | ||
Revisión del 08:45 28 ago 2015
Background
- Most common ocular nerve palsy
- Innervates the ipsilateral lateral rectus muscle controlling eye abduction
- Esotropia of the affected eye due to the unopposed action of the medial rectus muscle.
Clinical Features
Patients with a CN VI palsy frequently present with diplopia and esotropia. They may have a head turn to help correct their diplopia.
Differential Diagnosis
- Giant Cell Arteritis
- Medial Orbital Fracture (with entrapment of the medial rectus muscle)
- ocular Myasthenia Gravis
- Miller-Fisher Syndrome Guillian-Barre Syndrome
- Congenital Esotropia
- Meningitis
Management
- CBC
- BMP
- Accucheck
- CT/MRI Brain
- ESR
- Lyme Titer
- RPR
Disposition
Dispo appropriate to etiology, consult either Neuro or Ophtho.