7 results
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Palsy • CN IV ... One-and-a-half Syndrome ... #Localization #ophthalmology ... #neurology #differential ... #diagnosis #ocular
Lower Extremity Dermatomes and Myotomes
Reflexes: 
 • Knee - L2, L3, L4
 • Ankle - S1
Conditions: • Cauda ... Equina Syndrome ... damage to peroneal nerve ... at fibular neck ... claudication and weakness
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
Cauda Equina Syndrome ... compression of nerve ... lower extremity weakness ... #differential # ... diagnosis #causes #neurology
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
Ptosis - Differential ... CN III palsy 2. ... to ptosis and weakness ... palsy • Horner ... Diagnosis #ophthalmology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
Ocular- 50%: Ptosis ... Neck: “dropping ... life-threatening Differential ... - Repetitive nerve ... diagnosis #management #neurology
Anti-IgLON5 Encephalitis - Ocular Examination

Female with 6 months h/o excessive daytime sleepiness, abnormal movements, dysarthria. On
Encephalitis - Ocular ... On examination- neck ... progressive supranuclear palsy ... PhysicalExam #clinical #video ... #neurology #ophthalmology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... vasculitis • Sensory ... affects the skin, neurologic ... Myalgia and muscle weakness ... • Nerves: Neuropathy