7 results
Arthrocentesis - Joint Fluid Analysis

Effusion Characteristics (Color, Clarity, WCC, PMN, Crystals, Bacteria) by Disease Process: 
OA,
Arthrocentesis - ... Joint Fluid Analysis ... birefringent crystals), Gout ... #Diagnosis #Differential ... Pseudogout #Septic #Infective
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Pain - Diagnostic ... Involved: Monoarticular ... OA *Always do arthrocentesis ... #Joint #Pain #MSK ... approach #workup #differential
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Pain - Differential ... Diagnosis Algorithm Monoarticular ... • Gout (Podagra ... Genitourinary Infection ... ) • Gout • Psoriatic
Arthrocentesis of synovial fluid - Interpretation
 - Normal
 - Noninflammatory	
 - Inflammatory	
 - Septic

Viscosity of synovial
does not rule out ... 50,000 #Diagnosis #Differential ... #Joint #Syonvial ... #Fluid #Effusion ... Pseudogout #Septic #Infective
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... By: - Chronic Infection ... Rubella Bacterial Infection ... #pain #Differential ... #rheumatology #Monoarticular
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... Crystalline - Gout ... “Bamboo Spine” Fusion ... within 1 month of infection ... monoarthritis #monoarticular
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential ... Fever/Chills/Joint ... pain/Night sweats ... - DDX: - Infection ... #causes #differential