14 results
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 ... Effusions - Septic ... Effusions: - Gout ... - Pseudo gout ... differential #diagnosis #msk
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gout (Gouty Arthritis ... ) - MSK Radiology ... • This case should ... • Gout can present ... #Gouty #Arthritis
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Monoarthritis • Septic ... Crystalline - Gout ... Erythematosus (SLE), should ... Amy Chung, MD, MSc ... Joint #Disorders #msk
Reduction of Patellar Dislocation 
Most patellar dislocations are lateral, and they often reduce on their own.
the patient a knee ... crutches - they should ... #Procedure #MSK ... #Knee #Clinical ... #Video #PhysicalExam
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Knee Effusions - ... Inflammatory arthritis ... Culture: Negative Septic ... analysis: • MSU ... : Gout • CPPD:
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
Infection • Septic ... Other Causes ... Legg-Calve-Perthes Disease Knee ... Tendon Rupture, Dislocation ... Deformity #Limp #MSK
Patellar dislocation 
Patella dislocation refers to when the kneecap is completely displaced out of its normal
completely displaced out ... patella is primarily caused ... Kneecap #Clinical #Video ... #Orthopedics #Knee ... #msk
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
, gout or pseudogout ... Spondyloarthropathies, gout ... Like in this case ... Parallel, yellow = gout ... #Joint #Pain #MSK
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
• Fracture • Arthritis ... • Gout/pseudogout ... pain syndrome • Arthritis ... Poikilothermia • Septic ... lower #extremity #msk
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
axial (spine, shoulders ... Crystal induced (Gout ... weeks) Can Be Caused ... fever • Lyme • Gout ... Differential #Diagnosis #MSK