16 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 ... Scaphoid #Carpal #Radiology ... #MSK
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
can't make A-OK sign ... ), ligamentous injury ... brachial artery injury ... #Posterior #Radiology ... #MSK
Anterior Shoulder Dislocation: Pathogenesis, clinical, and radiographic findings

Trauma, Fall on, outstretched arm, Overhead throwing => Abduction
strength of muscle, tendon ... nerves, muscles, tendons ... #Diagnosis #signs ... #symptoms #msk ... #orthopedics #pathophysiology
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
Hyperextension injury ... ) • ED Management ... #IPJoint #Radiology ... #Hand #Orthopedics ... #MSK
Achilles Tendon Rupture - Pathogenesis and clinical findings
 • The Achilles tendon is 15cm long in
pre-determined etiology Signs ... - Weakness to ankle ... TendonRupture #diagnosis #signs ... #symptoms #pathophysiology ... #msk #orthopedics
Anterior Shoulder Dislocation - ED Management
The shoulder is the most commonly dislocated major joint, 95% of
Axillary nerve injury ... neurovascular injury ... #Anterior #Radiology ... #Orthopedics #Sports ... #MSK
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
Posterior hip dislocation ... Avulsion or shearing injury ... FemoralHead #Fractures #msk ... #diagnosis #pathophysiology ... #orthopedics
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
, median nerve injury ... • ED Management ... Wrist #Carpal #Radiology ... #Orthopedics #Sports ... #MSK
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
terminal extensor tendon ... : Hyperflexion injury ... Mallet #Finger #Radiology ... #Hand #Orthopedics ... #MSK
Soft Tissue Lesions - Differential Diagnosis Algorithm 
Septic
 • Septic Bursitis
 • Necrotizing Fasciitis
 • Septic
Cartilage • Meniscal ... Injury • Labral ... Injury • SLAP ... SoftTissue #Lesions #MSK ... Diagnosis #Algorithm #Orthopedics