9 results
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential Diagnosis ... Syndrome - Acute rheumatic ... fracture - Patellar dislocation ... #differential #diagnosis ... #msk #physicalexam
Posterior Elbow Dislocation
The elbow is the second most commonly dislocated major joint in adults and the
Posterior Elbow ... fracture • ED Management ... #Radiology #XRay ... #Diagnosis #Management ... Orthopedics #Sports #MSK
Rheumatoid Arthritis Summary
Overview: chronic, inflammatory symmetric polyarthritis involving small joints of hands/feet, knees, shoulders
Signs & Symptoms:
Rheumatoid Arthritis ... of hands/feet, knees ... marker Imaging: • XRay ... narrowing) • Ultrasound ... #Arthritis #diagnosis
RADIAL HEAD FRACTURE 
Radial head fractures are the most common elbow fracture in adults and are
dislocation, scaphoid ... fracture • ED Management ... #Radiology #XRay ... #Diagnosis #Management ... #Orthopedics #MSK
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
functional deficit and arthritis ... injuries: Perilunate dislocation ... fractures • ED Management ... #Diagnosis #Management ... Orthopedics #Sports #MSK
Monteggia Fracture 
Fracture of proximal ulnar shaft with radial head dislocation. Remember “MUGR” to recall where
with radial head dislocation ... Exam: swollen elbow ... Ulnar #Radiology #XRay ... #Diagnosis #Management ... Orthopedics #Proximal #MSK
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
- Differential Diagnosis ... Inflammation • Rheumatoid ... Legg-Calve-Perthes Disease Knee ... Tendon Rupture, Dislocation ... Deformity #Limp #MSK
Distinguishing between Inflammatory and Degenerative joint disease
Inflammatory Joint Disease
 • Swelling stimulates joint nociceptors -> Pain
joint (i.e. in Rheumatoid ... arthritis, Lupus ... commonly affects the knee ... #Degenerative #Comparison ... #JointPain #Diagnosis
Gout - Diagnosis and Management Summary

3 Conditions for Gout to Manifest:
1. Hyperuricemia
2. Monosodium urate deposition in
and Management ... forefoot, ankles, knees ... fingers, wrist, elbow ... frequent attacks • Arthritis ... not possible • Ultrasound