30 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... to diagnosis scapholunate ... ("Terry Thomas sign ... clenched fist • Mechanism ... Orthopedics #Sports #MSK
Femoral Head Fracture: Pathogenesis and clinical findings
 • Posterior hip dislocation -> Impaction force from femoral
Pathogenesis and clinical ... Posterior hip dislocation ... • Anterior hip dislocation ... onto lateral hip Signs ... #msk #diagnosis
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
osteoarthritis • Mechanism ... , perilunate dislocation ... Wrist #Carpal #Radiology ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Mechanism: ... can't make A-OK sign ... #Posterior #Radiology ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... lateral x-ray • Mechanism ... injuries: Perilunate dislocation ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
Anterior Shoulder Dislocation - ED Management
The shoulder is the most commonly dislocated major joint, 95% of
anteriorly • Mechanism ... greater tuberosity fracture ... #Anterior #Radiology ... #XRay #Diagnosis ... Orthopedics #Sports #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 ... #XRay #Diagnosis ... #Orthopedics #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
"tea cup" • Mechanism ... radial styloid fracture ... Wrist #Carpal #Radiology ... #XRay #Diagnosis ... Orthopedics #Sports #MSK
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
associated avulsion fractures ... enable flexion • Mechanism ... #IPJoint #Radiology ... #XRay #Diagnosis ... #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 ... radiocapitellar line • Mechanism ... #XRay #Diagnosis ... Orthopedics #Proximal #MSK