9 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
• Due to injury ... anatomic snuff box, pain ... ED Management: Pain ... Scaphoid #Carpal #Radiology ... Orthopedics #Sports #MSK
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
), ligamentous injury ... brachial artery injury ... Management: Simple, pain ... #Posterior #Radiology ... Orthopedics #Sports #MSK
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
radioulnar joint injury ... , elbow dislocation ... ED Management: Pain ... #Elbow #Radiology ... #Orthopedics #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
dorsal wrist, pain ... , median nerve injury ... ED Management: Pain ... Wrist #Carpal #Radiology ... Orthopedics #Sports #MSK
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Fever/Chills/Joint pain ... Intra-articulation fracture ... - Patellar dislocation ... differential #diagnosis #msk ... #physicalexam
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
with radial head dislocation ... syndrome, ligamentous injury ... ED Management: Pain ... Forearm #Ulnar #Radiology ... Orthopedics #Proximal #MSK
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
associated avulsion fractures ... Hyperextension injury ... fingertip) • Exam: Pain ... #IPJoint #Radiology ... #Orthopedics #MSK
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
: • Fracture ... • Bursitis • IBD ... Repetitive strain injury ... Trauma • Crush injury ... #msk #physicalexam
Transient Patellar Dislocation - MSK Radiology
Imaging Findings:
 • Hyperintense marrow edema of the anterolateral femoral condyle
- MSK Radiology ... of the knee ... #patella #knee ... mri #clinical #Radiology ... #diagnosis #msk