12 results
Upper Extremity Nerve Pathologies 

 • Axillary Nerves
 • Musculocutaneous Nerve
 • Radial Nerve
 • Median
Upper Extremity ... • Ulnar Nerve ... #differential # ... Neuropathy #anatomy #arm ... #innervation #neurology
Marcus Gunn Phenomenon - Jaw Winking Syndrome

Jaw-winking syndrome is thought to be caused by abnormal innervation
the trigeminal nerve ... Most cases are congenital ... clinical #video #neurology ... #physicalexam # ... wink
Algorithm showing a stepwise approach to the assessment and investigation of a possible neuropathy. CIDP, chronic
electromyography; GBS ... Guillain-Barré syndrome ... palsies; NCS, nerve ... #Diagnosis #Neurology ... #Neuropathy #Peripheral
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity ... Abduction - C8-T1 (ulnar ... Myotomes #diagnosis #neurology ... sensory #motor #arm ... #physicalexam
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
Guillain-Barré Syndrome ... cross-reacts with peripheral ... or the axon of peripheral ... paralysis of all extremity ... 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
 •
compression of nerve ... constipation Differential ... or absent anal wink ... #differential # ... diagnosis #causes #neurology
Marcus Gunn Phenomenon - Jaw Winking Syndrome

Jaw-winking ptosis is thought to be caused by abnormal innervation
the trigeminal nerve ... Most cases are congenital ... clinical #video #neurology ... #physicalexam # ... wink
Marcus Gunn Phenomenon - Jaw Winking Syndrome

Jaw-winking ptosis is thought to be caused by abnormal innervation
the trigeminal nerve ... Most cases are congenital ... clinical #video #neurology ... #physicalexam # ... wink
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
proximal weakness, arms ... life-threatening Differential ... PCB variants of GBS ... - Repetitive nerve ... diagnosis #management #neurology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... glomerulonephritis) • Anti-GBM ... glomeruli, and peripheral ... nerves are often ... extremities, upper extremity