9 results
Arthrocentesis - Joint Fluid Analysis

Effusion Characteristics (Color, Clarity, WCC, PMN, Crystals, Bacteria) by Disease Process: 
OA,
Arthrocentesis - ... Joint Fluid Analysis ... , Bacteria) by Disease ... #Joint #Syonvial ... #Fluid #Effusion
Arthrocentesis of synovial fluid - Interpretation
 - Normal
 - Noninflammatory	
 - Inflammatory	
 - Septic

Viscosity of synovial
synovial fluid ... #Joint #Syonvial ... #Fluid #Effusion ... #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 ... #Joint #Syonvial ... #Fluid #Effusion ... #Aspiration #Pseudogout ... #Septic #Infective
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Knee Effusions - ... Arthrocentesis ... Gout • CPPD: Pseudogout ... fluid • TB: Synovial ... #joint #fluid #
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Differential Diagnosis Algorithm ... Monoarthritis • Septic ... Crystals - “Pseudogout ... “Bamboo Spine” Fusion ... Inflammation of Synovium
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
), RA, crystal disease ... ): • Septic joint ... OA *Always do arthrocentesis ... • WBC >20k: Septic ... #rheumatology #
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
and WBC >2000 in synovial ... fluid • What ... induced (Gout/Pseudogout ... - Autoimmune Rheumatologic ... Lyme • Gout/Pseudogout
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... • Septic arthritis ... and culture of synovial ... fluid • Gout or ... pseudogout - Compensated
Pseudogout Summary - Calcium Pyrophosphate Deposition Disease (CPPD)

Pathophysiology:
Pyrophosphate produced by chondrocytes likely precipitates with calcium to
Pseudogout Summary ... Hypomagnesemia Synovial ... Fluid: • WBCs ... #Pseudogout #CPPD ... #Rheumatology #