10 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
damage to the radial ... nerve in the radial ... in the median nerve ... Myotomes #diagnosis #neurology ... sensory #motor #arm
Localizing Extraocular Movement Disorders
 • CN Ill (Oculomotor) Nerve Palsy 
 • CN IV (Trochlear) Nerve
palsyMedial ... One-and-a-half Syndrome ... Skew Deviation Casey ... #Localization #ophthalmology ... #neurology #differential
Left Wrist Drop - Radial Nerve Palsy on Physical Examination

Left hand drop due to compression of
Left Wrist Drop - Radial ... Nerve Palsy on ... compression of the radial ... #Wrist #Drop #Radial ... #Nerve #Palsy #
Diplopia - Double Vision - Differential Diagnosis Algorithm
Clinical Pearls:
 • Diplopia is almost always binocular.
 •
• CN VI palsy ... ptosis with CN Ill palsy ... • Neurologic ... depress when looking medially ... #Ophthalmology
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
ulnar shaft with radial ... and missing the radial ... ), compartment syndrome ... Posterior long arm ... Ulnar #Radiology #XRay
One and a Half Syndrome on Physical Exam

This 28 year old patient presented to clinic with
formation) and MLF (medial ... of this are tumors ... diagnosed with MS ... clinical #video #ophthalmology ... #neurology
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
capitellum (age 1), radial ... ), compartment syndrome ... Posterior long arm ... Humerus #Radiology #XRay ... #Orthopedics #MSK
Hearing Loss - Differential Diagnosis Framework

Hearing Loss Types:
• Conductive
• Sensorineural
• Mixed
Presbycusis is the most common type
include a: • Neurologic ... disruption ○ Otitis media ... cause unknown) ... II ○ Susac’s syndrome ... Noise trauma ○ MS
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
proximal weakness, arms ... - Brain stem/Cranial ... nerve pathology ... - Repetitive nerve ... diagnosis #management #neurology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
primary condition MEDIUM ... affects the skin, neurologic ... muscle weakness • Nerves ... cognitive impairment, neurologic ... tract, and often causes