21 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... • Due to injury ... ("Terry Thomas sign ... MH/CCF/CWRU EM Res ... Orthopedics #Sports #MSK
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
• Mechanism: fall ... can't make A-OK sign ... ), ligamentous injury ... brachial artery injury ... Orthopedics #Sports #MSK
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
anterior sail sign ... • Mechanism: Fall ... , elbow dislocation ... fracture • ED Management ... #Orthopedics #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 ... Exam: swollen elbow ... syndrome, ligamentous injury ... Orthopedics #Proximal #MSK
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
anterior sail sign ... • Mechanism: Fall ... can't make A-OK sign ... brachial artery injury ... #Orthopedics #MSK
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
Pathogenesis and clinical ... Posterior hip dislocation ... Avulsion or shearing injury ... FemoralHead #Fractures #msk ... #diagnosis #pathophysiology
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
• Mechanism: Fall ... , median nerve injury ... • ED Management ... XRay #Diagnosis #Management ... Orthopedics #Sports #MSK
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
Pathogenesis, clinical ... findings Trauma, Fall ... #Diagnosis #signs ... #symptoms #msk ... #orthopedics #pathophysiology
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
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
Hyperextension injury ... with axial load (ball ... tendon) • ED Management ... MH/CCF/CWRU EM Res ... #Orthopedics #MSK