12 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 ... #Joint #Syonvial
Arthrocentesis of synovial fluid - Interpretation
 - Normal
 - Noninflammatory	
 - Inflammatory	
 - Septic

Viscosity of synovial
Arthrocentesis of ... synovial fluid ... does not rule out ... #Analysis #Table ... #Aspiration #Pseudogout
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 ... #Arthrocentesis ... #Aspiration #Pseudogout ... Septic #Infective #Arthritis
Knee Effusions - Arthrocentesis Interpretation

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

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
CPPD vs Gout ... Hypomagnesemia Synovial ... Fluid: • WBCs ... : Synovial Fluid ... #rheumatology #
Septic Arthritis - Diagnosis and Management Summary
Clinical Exam: hot, swollen, pain with passive AND active ROM
- Diagnosis and ... osteoarthritis, gout ... , pseudogout, osteomyelitis ... Workup: arthrocentesis ... w/ fluid culture
Pseudogout Summary - Calcium Pyrophosphate Deposition Disease (CPPD)

Pathophysiology:
Pyrophosphate produced by chondrocytes likely precipitates with calcium to
Hypomagnesemia Synovial ... Fluid: • WBCs ... culture used to diagnose ... #Pseudogout #CPPD ... Deposition #Disease #Rheumatology
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 ... OA *Always do arthrocentesis ... Joint #Pain #MSK #rheumatology ... #approach #workup
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... and WBC >2000 in synovial ... fluid • What ... /Pseudogout) ... #MSK #rheumatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... and culture of synovial ... fluidGout or ... urate crystals (gout ... #Rheumatology