9 results
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
PalsyCN IV ... palsyCN VI ... (Abducens) Nerve ... ophthalmology #neurology ... #ocular
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
- Differential Diagnosis ... • CN VI palsy ... Ill palsy ... • Neurologic ... IV - Eye cannot
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Motor Function Shoulder ... Anterior Shoulder ... Dermatomes #Myotomes #diagnosis ... #neurology #sensory ... #motor #arm #physicalexam
Cover - Uncover Test Revealing CNVI Palsy

Here the Cover-Uncover test unmasks subtle right CN VI palsy.
#CN6 #Abducens ... #Nerve #clinical ... #video #neurology ... ophthalmology #ocular ... #physicalexam
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
CN III palsy 2. ... Neurogenic Ptosis - Neurologic ... junction, cranial nerve ... eyelid: • Third nerve ... palsy • Horner
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
should be based ... Fever, headache, neck ... hearing loss, palsy ... of the abducens ... nerve, and impaired
In this video, you see right sided atrophy, right sided deviation, and fasiculations R>L, indicating a
palsy. ... posterior head/neck ... Fasciculations #PhysicalExam ... HypoglossalNerve #CNXII #CN12 ... #Neurology #Deficit
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
- Differential Diagnosis ... The evaluation should ... • Head and neck ... (CN 8) ... zoster virus ○ HIV
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... proximal muscles of shoulder ... affects the skin, neurologic ... muscle weakness • Nerves ... cognitive impairment, neurologic