9 results
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
extension • ... commonly, 60%; also ... fracture, median nerve ... #Carpal #Radiology ... #XRay #Diagnosis
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... flexion and extension ... dislocation, distal radius ... #Carpal #Radiology ... #XRay #Diagnosis
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
Distal Radius Fracture 
Distal radius fracture is the most common orthopedic injury. Here's a quick summary.
•
variable gross wrist ... fracture, median nerve ... injury, acute carpal ... Colles #Distal #Radiology ... #XRay #Diagnosis
Synkinetic Wrist Extension Maneuver demonstrating Radial Nerve Palsy as cause for Wrist Drop

Up up, down down.
Extension Maneuver ... Nerve Palsy as ... #Radial #Nerve ... #Palsy #Drop #clinical ... #video #physicalexam
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
Hand X-Ray Anatomy and Interpretation Checklist
1. Soft tissues - Look carefully at the soft tissue over
into the hand and wrist ... important to look for signs ... radiograph - the radius ... and ulna is also ... proximal to the carpal
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
anterior sail sign ... disrupted, treat as ... capitellum (age 1), radial ... anterior interosseous nerve ... Elbow #Humerus #Radiology
Amyotrophic Lateral Sclerosis (ALS) Summary
ALS: combination of the clinical examination finding of amyotrophy with the pathologic
of the clinical ... Clonus, Spasticity, Extensor ... activity between nerve ... neurons - IV free radical ... neurology #diagnosis #management