12 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Scapholunate Dissociation ... diagnosis scapholunate dissociation ... perilunate or lunate dislocation ... associated fracture or dislocation ... #Scapholunate #Dissociation
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Perilunate Dislocation ... In perilunate dislocation ... summary: • Dorsal dislocation ... #Perilunate #Dislocation ... #Radiology #XRay
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... • Mechanism: Fall ... injuries: Perilunate dislocation ... MH/CCF/CWRU EM Res ... Orthopedics #Sports #MSK
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
scaphoid entering distally ... : Scapholunate dissociation ... , perilunate dislocation ... associated scapholunate dissociation ... Carpal #Radiology #XRay
Galeazzi Fracture 
Fracture of distal radial shaft with distal radial-ulnar joint disruption. Remember “MUGR” to recall
be obvious; signs ... swollen forearm and wrist ... pronation and at wrist ... #Radiology #XRay ... #Orthopedics #MSK
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Posterior Elbow Dislocation ... common major joint dislocation ... can't make A-OK sign ... triad = posterior dislocation ... MetroHealth_EM #Elbow #Dislocation
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
Anterior Shoulder Dislocation ... Pathogenesis, clinical ... Anterior Shoulder Dislocation ... view -> Dislocation ... Anterior #Shoulder #Dislocation
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
Interphalangeal Joint Dislocation ... involved and the dislocation ... (if dorsal PIP dislocation ... (if volar PIP dislocation ... (if volar DIP dislocation
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
Pathogenesis and clinical ... Posterior hip dislocation ... • Anterior hip dislocation ... FemoralHead #Fractures #msk ... #diagnosis #pathophysiology
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
anterior sail sign ... • Mechanism: Fall ... olecranon fracture, distal ... injury, elbow dislocation ... #Orthopedics #MSK