7 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
between all carpal bones ... between all carpal bones ... associated injuries: distal ... MH/CCF/CWRU EM ... Orthopedics #Sports #MSK
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
fractured carpal bone ... common carpal bone ... , perilunate dislocation ... MH/CCF/CWRU EM ... Orthopedics #Sports #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
articulate with the distal ... articulates with the distal ... Carpal fracture (scaphoid ... MH/CCF/CWRU EM ... Orthopedics #Sports #MSK
Interphalangeal Joint Dislocation
Interphalangeal joint dislocations almost always occur dorsally, look for associated avulsion fractures! Here's a
extensor tendons come ... to the dorsal distal ... to the palmar distal ... MH/CCF/CWRU EM ... #Orthopedics #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
fractured carpal bone ... common carpal bone ... injuries: Perilunate dislocation ... MH/CCF/CWRU EM ... Orthopedics #Sports #MSK
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
posterior) and bone ... injury, elbow dislocation ... , scaphoid fracture ... MH/CCF/CWRU EM ... #Orthopedics #MSK
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Loss of sensation distal ... HSV, Varicella, EBV ... fracture - Patellar dislocation ... - Aneurysmal bone ... differential #diagnosis #msk