12 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... MH/CCF/CWRU EM Res ... Carpal #Radiology #XRay ... #Orthopedics #Sports ... #MSK
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 ... Posterior #Radiology #XRay ... #Orthopedics #Sports ... #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
• Mechanism: Fall ... fracture, median nerve ... Carpal #Radiology #XRay ... #Orthopedics #Sports ... #MSK
Anterior Shoulder Dislocation - ED Management
The shoulder is the most commonly dislocated major joint, 95% of
injuries: Axillary nerve ... MH/CCF/CWRU EM Res ... Anterior #Radiology #XRay ... #Orthopedics #Sports ... #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
• Mechanism: Fall ... injuries: Perilunate dislocation ... Carpal #Radiology #XRay ... #Orthopedics #Sports ... #MSK
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
with radial head dislocation ... the radial head dislocation ... posterior interosseous nerve ... Ulnar #Radiology #XRay ... Orthopedics #Proximal #MSK
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
• Mechanism: Fall ... MH/CCF/CWRU EM Res ... Carpal #Radiology #XRay ... #Orthopedics #Sports ... #MSK
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
Pathogenesis, clinical ... on axillary x-ray ... Structural damage to nerves ... #Diagnosis #signs ... #symptoms #msk
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
anterior sail sign ... • Mechanism: Fall ... anterior interosseous nerve ... can't make A-OK sign ... #Orthopedics #MSK
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
anterior sail sign ... • Mechanism: Fall ... injury, elbow dislocation ... Elbow #Radiology #XRay ... #Orthopedics #MSK