10 results
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 ... #Radiology #XRay ... #Orthopedics #Sports ... #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... MH/CCF/CWRU EM Res ... Scaphoid #Carpal #Radiology ... #Orthopedics #Sports ... #MSK
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
anterior sail sign ... • Mechanism: Fall ... dislocation, scaphoid ... #Radiology #XRay ... #Orthopedics #MSK
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
with radial head dislocation ... Exam: swollen elbow ... ), compartment syndrome ... Forearm #Ulnar #Radiology ... Orthopedics #Proximal #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
lateral wrist XR ... • Mechanism: Fall ... Wrist #Carpal #Radiology ... #Orthopedics #Sports ... #MSK
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
anterior sail sign ... • Mechanism: Fall ... ), compartment syndrome ... #Humerus #Radiology ... #Orthopedics #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
• Mechanism: Fall ... injuries: Perilunate dislocation ... Wrist #Carpal #Radiology ... #Orthopedics #Sports ... #MSK
Pott's Disease in Tuberculosis - Diagnosis and Management Summary
Epidemiology:
 - Typically from TB endemic areas
 -
extrapulmonary cases Clinical ... Signs/Symptoms: ... may range from a few ... decreased reflexes Pathophysiology ... tissue damage - CXR
Guillain-Barre Syndrome - Summary

Acute AIDP that presents with rapidly progressive flaccid weakness

Epidemiology:
 • 1-2 cases/100,000 per
Guillain-Barre Pathophysiology ... DTR’s • Onset: Few ... Guillain-Barre Clinical ... • Weakness: Starts ... Albuminocytologic dissociation
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Vital signs: BP ... This patient’s clinical ... a chest x-ray (CXR ... not seen on a CXR ... #Radiology #CTChest