8 results
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
carpal bone. ... "pooping duck sign ... bone fracture ... "pooping duck sign ... #MSK
Scapholunate Dissociation
The spacing between all carpal bones should be 1-2 mm, look for the "Terry Thomas"
"Terry Thomas" sign ... ("Terry Thomas sign ... #Radiology #XRay ... #Orthopedics #Sports ... #MSK
Supracondylar Elbow Fracture
• Most common elbow fracture in children, peak age 5-7 
• When looking at
posterior) and bone ... anterior sail sign ... can't make A-OK sign ... #Diagnosis #Management ... #Orthopedics #MSK
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
Swelling notable on Xray ... boggy" joints, esp carpal ... Extra-articular signs ... pathophysiology #signs ... #symptoms #diagnosis
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
can't make A-OK sign ... Posterior #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #Sports ... #MSK
Psoriatic Arthritis: Pathogenesis and Clinical findings

In tendons and connective tissues:
 • Enthesitis  - Pain/tenderness over
insertion into bone ... , ridging, oil spots ... polyarthritis (like RA ... pathophysiology #diagnosis ... #signs #symptoms
Paget’s Disease: Complications
Abnormal Osteoclasts cause excessive bone turnover -> Incr bone resorption, Incr (abnormal) bone formation

MSK
formation MSK ... -> Pathologic fractures ... the vertebral canal ... pathophysiology #diagnosis ... #signs #symptoms
Authors: Mark M. Ramzy, DO, EMT-P (@MarkRamzyDO, EM Resident Physician, Drexel University, Department of Emergency Medicine)
Vital signs: BP ... Several of the diagnoses ... This post will focus ... Due to their short ... Radiology #CTChest #Lung