11 results
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
Thomas" sign to diagnosis ... Thumb spica • Ortho ... MH/CCF/CWRU EM ... #Orthopedics #Sports ... #MSK
Perilunate Dislocation
On lateral wrist XR, the capitate ("apple") should sit in the lunate ("tea cup") which
Sugar tong • Ortho ... MH/CCF/CWRU EM ... Radiology #XRay #Diagnosis ... #Orthopedics #Sports ... #MSK
Scaphoid Fractures
The scaphoid is the most commonly fractured carpal bone. Remember, if a fracture is suspected
Thumb spica • Ortho ... MH/CCF/CWRU EM ... Radiology #XRay #Diagnosis ... #Orthopedics #Sports ... #MSK
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Management: Simple, pain ... MH/CCF/CWRU EM ... Radiology #XRay #Diagnosis ... #Orthopedics #Sports ... #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
Splint: Volar • Ortho ... MH/CCF/CWRU EM ... Radiology #XRay #Diagnosis ... #Orthopedics #Sports ... #MSK
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... Diagnosis Framework ... Fever/Chills/Joint pain ... fracture - Patellar dislocation ... diagnosis #msk #
Freiberg Infraction - MSK Radiology
Imaging Findings:
 • Sclerosis of the 2nd MT head with flattening of
Freiberg Infraction - MSK ... Case description ... Differential diagnosis ... Freiberg #Infraction #foot ... #msk
Guillain–Barré syndrome (GBS)
(aka: Landry–Guillain–Barré–Strohl syndrome:
	Most common cause of acute flaccid paralysis
	Rapidly progressive ascending paralysis & areflexia
	Autonomic
 Most common cause ... albumin-cytologic dissociation ... Differential diagnosis ... dilated pupils, food ... Transverse myelitis: Pain
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
Approach to Joint Pain ... - Diagnostic Framework ... #Joint #Pain #MSK ... #rheumatology # ... approach #workup #differential
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
animals • Milk • Food ... status NTM Cause ... Hematologic malignancy ... diarrhea, abdominal pain ... NTM #Infections #differential