8 results
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
(Abducens) Nerve ... Iniury • One-and-a-half ... Syndrome • Cavernous ... #Localization #ophthalmology ... #differential #diagnosis
Orbital Apex Syndrome secondary to Herpes Zoster Ophthalmicus (HZO)

This 81 yo male was referred to our
Orbital Apex Syndrome ... Orbital Apex Syndrome ... nerve, abducens ... HZO #clinical #video ... #ophthalmology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
aracteristic "claw hand ... " ± Horner Syndrome ... nerve in the radial ... Dermatomes #Myotomes #diagnosis ... sensory #motor #arm
One and a Half Syndrome on Physical Exam

This 28 year old patient presented to clinic with
One and a Half Syndrome ... causes of this are ... the hospital, diagnosed ... with MS, and started ... #ophthalmology
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
posterior interosseous nerve ... ), compartment syndrome ... Posterior long arm ... Radiology #XRay #Diagnosis ... Orthopedics #Proximal #MSK
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
capitellum (age 1), radial ... anterior interosseous nerve ... ), compartment syndrome ... Posterior long arm ... #Orthopedics #MSK
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
- Differential Diagnosis ... Multiple infections are ... hearing loss, palsy ... of the abducens ... nerve, and impaired
Mastoiditis: Pathogenesis and clinical findings

Acute or Chronic Otitis Media -> 
Stage 1: Hyperemeia of the mastoid
mastoid air cells are ... • Through aditus ... bone): facial nerve ... palsy • Posteriorly ... signs #symptoms #diagnosis