17 results
Arthrocentesis - Joint Fluid Analysis

Effusion Characteristics (Color, Clarity, WCC, PMN, Crystals, Bacteria) by Disease Process: 
OA,
birefringent crystals), Gout ... , Septic arthritis ... #Diagnosis #Differential ... Aspiration #Pseudogout #Septic ... #Interpretation
Gout (Gouty Arthritis) - MSK Radiology
Imaging Findings:
 • Eccentric soft-tissue densities surrounding the third proximal interphalangeal
Gout (Gouty Arthritis ... • This case should ... • Gout can present ... Gout is relatively ... #Gouty #Arthritis
Arthrocentesis of synovial fluid - Interpretation
 - Normal
 - Noninflammatory	
 - Inflammatory	
 - Septic

Viscosity of synovial
synovial fluid - Interpretation ... does not rule out ... septic arthritis ... ; however, the diagnosis ... #Interpretation
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Knee Effusions - Septic ... (1%) - Watch out ... Effusions: - Gout ... - Pseudo gout ... #msk #physicalexam
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... Monoarthritis • Septic ... Crystalline - Gout ... Erythematosus (SLE), should ... Joint #Disorders #msk
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
CPPD vs Gout ... weird joints (shoulders ... disease states Pathophysiology ... Wrist, MCP, or shoulder ... Conditions for Gout
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Arthrocentesis Interpretation ... Inflammatory arthritis ... analysis: • MSU ... : Gout • CPPD: ... #diagnosis #septic
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
to Joint Pain - Diagnostic ... , gout or pseudogout ... Spondyloarthropathies, gout ... Parallel, yellow = gout ... #Joint #Pain #MSK
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
axial (spine, shoulders ... Very hard to get out ... Crystal induced (Gout ... fever • Lyme • Gout ... #MSK #rheumatology
Acromioclavicular (AC) Joint Septic Arthritis on POCUS

IVDU with severe left shoulder pain.  Can fully range
with severe left shoulder ... Tender on top of shoulder ... Diagnosis? ... POCUS #clinical #ultrasound ... #MSK