17 results
Arthrocentesis - Joint Fluid Analysis

Effusion Characteristics (Color, Clarity, WCC, PMN, Crystals, Bacteria) by Disease Process: 
OA,
Arthrocentesis - Joint Fluid ... birefringent crystals), Gout ... #Diagnosis #Differential ... Analysis #Table #Aspiration ... #Infective #Arthritis
Arthrocentesis of synovial fluid - Interpretation
 - Normal
 - Noninflammatory	
 - Inflammatory	
 - Septic

Viscosity of synovial
does not rule out ... #Differential # ... Analysis #Table #Aspiration ... #Pseudogout #Septic ... #Infective #Arthritis
Synovial Fluid Analysis:

Findings (COLOR	TRANSPARENCY	VISCOSITY	WBC COUNT (PER MM3)	PMN CELL COUNT (%)	GRAM STAIN	CULTURE	PCR TEST	CRYSTALS)

By Condition (Normal 
Noninflammatory 
Inflammatory:
Synovial Fluid Analysis ... nongonococcal ) #Diagnosis ... Analysis #Table #Aspiration ... #Pseudogout #Septic ... #Infective #Arthritis
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Diagnosis Algorithm ... Monoarticular • Gout ... Podagra, Tophi) • Pseudogout ... Genitourinary Infection ... Inflammatory #JointPain #MSK
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Diagnosis Algorithm ... Crystalline - Gout ... Crystals - “Pseudogout ... within 1 month of infection ... Joint #Disorders #msk
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... 2000 in synovial fluid ... /Pseudogout) ... /Pseudogout Chronic ... #Diagnosis #MSK
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 ... #Joint #Pain #MSK ... approach #workup #differential ... #diagnosis #arthritis
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Inflammatory arthritis ... analysis: • MSU ... : Gout • CPPD: ... Pseudogout Additional ... Interpretation #diagnosis
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
Hypomagnesemia Synovial Fluid ... concomitant infection ... include forefoot, ankles ... : Synovial Fluid ... concomitant infection
Causes of Knee Effusions - Differential Diagnosis Framework

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