6 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Upper Extremity Dermatomes ... Abduction - C8-T1 (ulnar ... Adduction - C7-T1 (ulnar ... Myotomes #diagnosis #neurology ... sensory #motor #arm
Guillain-Barré Syndrome (GBS)
Acute autoimmune demyelinating polyradiculoneuropathy that presents with rapidly progressive flaccid weakness
Epidemiology:
 • Incidence: 1
to a preceding infection ... with peripheral nerve ... of peripheral nerve ... • Most common infection ... 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 ... epidural hematoma • infections ... toon • Spinal infection ... region (S2-S4 dermatomes ... diagnosis #causes #neurology
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
proximal weakness, arms ... PCB variants of GBS ... - Repetitive nerve ... precipitated by: Drugs, infection ... diagnosis #management #neurology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
hemorrhage, which are ... blood test • Serology ... for hepatitis B and ... Skin biopsy • Abdominal ... ultrasound #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
infections and ... affects the skin, neurologic ... muscle weakness • Nerves ... gut involvement, abdominal ... pain and GN Anti-GBM