9 results
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Disorders • CN ... • CN IV (Trochlear ... • CN VI (Abducens ... #differential # ... diagnosis #ocular
Traumatic Lateral Rectus Palsy on Ocular Examination

Impaired left lateral eye movement with left gaze after MVA.
left lateral eye movement ... #Abducens #CNVI ... #CN6 #Ocular #physicalexam ... #clinical #video ... #neurology #ophthalmology
Differential diagnoses for the neuro-ophthalmologic finding of diplopia.
Neoplastic: 
 • Intraorbital meningioma 
 • Pituitary adenoma
Differential diagnoses ... Sphenoid sinusitis (CN ... hypertension (CN ... Diplopia #Differential ... #Diagnosis #Causes
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
Vision - Differential ... • CN VI palsy ... for ptosis with CN ... Ill palsy ... • Neurologic
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
• Suspect in movement ... , limb ataxia, gait ... hemianopia and diplopia ... hearing loss, palsy ... of the abducens
Alice in Wonderland Syndrome
What? Metamorphophsia - Distortions of the visual perceptions with changes in size (micro
macropsia), color, movement ... • CNS: parietal ... (Many causes!) ... Wonderland #Syndrome #diagnosis ... #neurology #differential
Adie's Pupil
What? Unknown nature & benign
 • Regular and mildly dilated pupil (4-6mm);
 • Light-near dissociaton;
Young females Differential ... Diagnosis: • CN ... Ill Palsy - ... dissociation • Other causes ... #PhysicalExam #neurology
Left Tongue Deviation caused by UMN XII palsy

Looks can be deceiving. The UMN innervation of most
Tongue Deviation caused ... this rule are CN ... the preserved movements ... #clinical #video ... #physicalexam #neurology
Signs and Symptoms Associated With Different Headache Etiologies
 • Nonfocal mental status changes - Meningitis, encephalitis,
with third nerve palsy ... • Extraocular movement ... deficits (CN Ill ... #differential # ... diagnosis