10 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Scapholunate Dissociation ... diagnosis scapholunate dissociation ... associated injuries: distal ... MH/CCF/CWRU EM ... Orthopedics #Sports #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Perilunate Dislocation ... articulate with the distal ... articulates with the distal ... 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
Interphalangeal Joint Dislocation ... 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
to distal ulna, ... injuries: Perilunate dislocation ... , distal radius ... MH/CCF/CWRU EM ... Orthopedics #Sports #MSK
Differential Diagnosis of Syncope
First, is it syncope? History is very important for distinguishing syncope from other
syncope from other causes ... Ask about precipitating ... Common causes of ... #Diagnosis #EM # ... #Differential #Algorithm
Algorithm and Differential Diagnosis of Macroscopic Hematuria
Important Historical Elements:
- Painless: suggests malignancy
- Painful: suggests calculi/infection
- Urinalysis:
Algorithm and Differential ... RBC’s, RBC/WBC casts ... Timing: early (distal ... prostatic) #Diagnosis #EM ... #Differential #Algorithm
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
with radial head dislocation ... the radial head dislocation ... • If stable ... MH/CCF/CWRU EM ... Orthopedics #Proximal #MSK
Mallet Finger
Absence of a fracture does NOT exclude Mallet finger, the extension function of the DIP
Finger deformity caused ... extensor tendon distal ... MH/CCF/CWRU EM ... #Orthopedics #MSK
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
olecranon fracture, distal ... injury, elbow dislocation ... 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:
		-
Causes of Knee Effusions ... Loss of sensation distal ... HSV, Varicella, EBV ... fracture - Patellar dislocation ... differential #diagnosis #msk