12 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
) Finger: • Mexion ... Supinator - C5, C6 • Finger ... " ± Horner Syndrome ... Carpal Tunnel Syndrome ... Myotomes #diagnosis #neurology
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
Medial Longitudinal ... Iniury • One-and-a-half ... Syndrome • Cavernous ... ophthalmology #neurology ... #differential #
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Syndrome ... all extremity, facial ... Paresthesias: Hands ... #management #treatment ... #neurology
Median Nerve Anatomy and Function
The Median nerve is the nerve of pre-axial hand function; pinch, delicate
little finger through ... interosseous nerve (AIN) palsy ... where the index finger ... Anatomy #diagnosis #neurology ... #orthopedics
One and a Half Syndrome on Physical Exam

This 28 year old patient presented to clinic with
One and a Half Syndrome ... counting fingers ... a Half Syndrome ... MLF (medial longitudinal ... ophthalmology #neurology
Ptosis - Differential Diagnosis Framework

Ptosis (Greek- to fall) Drooping of the upper eyelid that usually results
Ptosis - Differential ... CN III palsy 2. ... • Third nerve palsy ... #Ptosis #neurology ... #Differential #
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Guillain-Barré Syndrome ... all extremity, facial ... GBS #Guillain #Barre ... #Syndrome #diagnosis ... #management #neurology
Cauda Equina Syndrome Overview

Cauda Equina Syndrome:
 • Prevalence: 1:33,000-100,000 ppl/yr
 • Incidence: 1.5-3.4 million ppl/yr
 •
constipation Differential ... cord • Guillain-Barre ... MRI- Sagittal, axial ... #differential # ... diagnosis #causes #neurology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
life-threatening Differential ... - Brain stem/Cranial ... stimulation - Single fiber ... Gravis #diagnosis #management ... #neurology
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
Hearing Loss - Differential ... include a: • Neurologic ... signals in the inner ... II ○ Susac’s syndrome ... Labyrinthitis ○ Epstein-Barr