36 results
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Extraocular Movement Disorders ... One-and-a-half Syndrome ... Extraocular #Movement #Disorders ... #Localization #ophthalmology ... #neurology #differential
Bell's palsy
There are many different causes of Facial Nerve Palsy. However, the commonest
cause of unilateral facial
Bell's palsy There ... of Facial Nerve Palsy ... commonest cause of unilateral ... Loss of Corneal Reflex ... #Neurology #Signs
Unilateral Fixed Dilated Pupil - Differential Diagnosis Framework
If Altered Mental Status - Consider Oculomotor (3rd cranial
Unilateral Fixed ... cranial nerve) Palsy ... lntracranial hemorrhage, SAH ... abnormalities #Unilateral ... differential #diagnosis #neurology
Bilateral tonic pupils observed in the patient with Ross syndrome. 
Absence of bilateral pupillary contraction despite
patient with Ross syndrome ... clinical #video #ophthalmology ... #ross #syndrome ... #bilateral #reflex ... #neurology #absent
Bilateral Abducens Nerve Palsy (CNVI)

#Bilateral #Abducens #Nerve #Palsy #CNVI #CN6 #clinical #video #neurology #ophthalmology #physicalexam
Bilateral Abducens ... Nerve Palsy (CNVI ... ) #Bilateral ... clinical #video #neurology ... #ophthalmology
Mydriasis and Miosis - Differential Diagnosis Framework

Causes of Mydriasis:
Dilated pupils (mydriasis) more than 7mm
 • Unilateral
Mydriasis • Bilateral ... response, Serotonin syndrome ... Miosis: Horner's syndrome ... Robertson pupils), DM, SAH ... differential #diagnosis #ophthalmology
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
dissociaton; • Usually unilateral ... Holmes-Adie Syndrome ... Diagnosis: • CN Ill Palsy ... #PhysicalExam #neurology ... #ophthalmology
Bilateral CN6 Palsy

Subtle bilateral abducens nerve palsy in a patient found to have IIH.

@anterior_seg_rocks

#Abducens #CN6 #CNVI
Bilateral CN6 Palsy ... Subtle bilateral ... abducens nerve palsy ... #physicalexam #ophthalmology ... #neurology
Photophobia and Headache - Differential Diagnosis Framework

Why?
• The coexistence of photophobia and headache suggests the potential
subarachnoid hemorrhage (SAH ... without headache • Disorder ... Ocular inflammatory disorder ... differential #diagnosis #ophthalmology ... #Neurology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Sciatica: often bilateral ... Examination - bilateral ... bulbocavernosus reflex ... wink test - reflex ... diagnosis #causes #neurology