20 results
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
Pronation - C7, C8 Wrist ... aracteristic "claw hand ... " ± Horner Syndrome ... nerve in the radial ... sensory #motor #arm
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
variable gross wrist ... fracture, median nerve ... carpal tunnel syndrome ... Distal #Radiology #XRay ... #Diagnosis #Management
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
onto outstretched hand ... posterior interosseous nerve ... ), compartment syndrome ... Posterior long arm ... Ulnar #Radiology #XRay
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Named based on anatomic ... anterior interosseous nerve ... dislocation + radial ... Posterior long arm ... Posterior #Radiology #XRay
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
small joints (wrists ... Stimulation of nerve ... Swelling notable on Xray ... drift of fingers, radial ... RheumatoidArthritis #RA #pathophysiology
Hand X-Ray Anatomy and Interpretation Checklist
1. Soft tissues - Look carefully at the soft tissue over
Hand X-Ray Anatomy ... and wrist joint ... between the bones are ... radiograph - the radius ... #XRay #Anatomy
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Pathophysiology ... Can begin in arms ... Absent Reflexes: Arms ... Paresthesias: Hands ... #diagnosis #management
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
capitellum (age 1), radial ... onto outstretched hand ... anterior interosseous nerve ... ), compartment syndrome ... Posterior long arm
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
Management Summary ... the preferred test ... Most patients are ... joints, knees, wrists ... , ankles • Axial
Myasthenia Gravis Overview

Myasthenia Gravis is an autoimmune disorder of the postsynaptic neuromuscular junction.  Ab to
proximal weakness, arms ... nerve pathology ... /Edrophonium test ... - Repetitive nerve ... Gravis #diagnosis #management