11 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Abduction - C8-T1 (ulnar ... anesthesia and deltoid weakness ... Myotomes #diagnosis #neurology ... sensory #motor #arm ... #physicalexam
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Weakness - Differential ... • Acute stroke syndromes ... Lesions Of The Peripheral ... #Differential # ... Diagnosis #neurology
Oppositional Grasp Weakness in Carpal Tunnel Syndrome

Dysfunction of the six- Opposition weakness-in carpal tunnel syndrome with
Carpal Tunnel Syndrome ... of the median nerve ... & Ulnar nerve ( ... clinical #video #physicaleaxm ... #neurology #orthopedics
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 ... Guillain #Barre #Syndrome ... diagnosis #management #neurology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
, arms > legs ... life-threatening Differential ... Brain stem/Cranial nerve ... - Repetitive nerve ... diagnosis #management #neurology
In this video, you see right sided atrophy, right sided deviation, and fasiculations R>L, indicating a
, indicating a peripheral ... 12th nerve palsy ... speech: cranial nerves ... Fasciculations #PhysicalExam ... #CNXII #CN12 #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 ... lower extremity weakness ... #differential # ... diagnosis #causes #neurology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... glomeruli, and peripheral ... nerves are often ... myalgia and muscle weakness ... #diagnosis #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... affects the skin, neurologic ... Myalgia and muscle weakness ... • Nerves: Neuropathy ... #Diagnosis #Rheumatology
Upper Motor Neuron (UMN) lesions are lesions occurring anywhere in the CNS from the brain up
form part of the differential ... LMN syndromes are ... muscle atrophy, weakness ... the spinal cord, peripheral ... nerve, neuromuscular