16 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... ("Terry Thomas sign ... extension • Possible ... injuries: distal radius ... #Radiology #XRay
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
extension • ... fracture, median nerve ... #Wrist #Carpal ... #Radiology #XRay ... #Diagnosis #Management
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... Complications are ... flexion and extension ... injuries: Perilunate dislocation ... , distal radius
Radial Nerve Anatomy and Function
The Radial nerve is the nerve of elbow, wrist and digital extension.
and digital extension ... the back of the arm ... When clinically ... extension) but ... #diagnosis #neurology
Upper Extremity Dermatomes and Myotomes
Motor Function
Shoulder:
 • Abduction - C5,C6 (axillary)
 • Adduction - C6, C7,
nerve in the radial ... Carpal Tunnel Syndrome ... Anterior Shoulder Dislocation ... Myotomes #diagnosis #neurology ... sensory #motor #arm
Synkinetic Wrist Extension Maneuver demonstrating Radial Nerve Palsy as cause for Wrist Drop

Up up, down down.
Nerve Palsy as ... #Radial #Nerve ... #Palsy #Drop #clinical ... #video #physicalexam ... #neurology
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
anterior interosseous nerve ... can't make A-OK sign ... + radial head fracture ... 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 ... boggy" joints, esp carpal ... drift of fingers, radial
Trendelenburg Gait: Pathogenesis and clinical findings

Skeletal Pathology of the Hip
 • Arthritis
 • Congenital hip dysplasia
Pathogenesis and clinical ... Chondrodysplasia Neurologic ... Superior gluteal nerve ... Fracture • Hip dislocation ... causes #symptoms #signs
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Can begin in arms ... Absent Reflexes: Arms ... Albuminocytologic dissociation ... Syndrome #diagnosis #management ... #treatment #neurology