7 results
Arthrocentesis - Joint Fluid Analysis

Effusion Characteristics (Color, Clarity, WCC, PMN, Crystals, Bacteria) by Disease Process: 
OA,
Joint Fluid Analysis ... , Bacteria) by Disease ... , Septic arthritis ... #Joint #Syonvial ... #Fluid #Effusion
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders ... Crystals - “Pseudogout ... secondary) • Rheumatoid ... Inflammation of Synovium ... #Disorders #msk
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 ... #Septic #Infective ... #Arthritis
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
and WBC >2000 in synovial ... fluid • What ... Mechanical/degenerative disorders ... #Diagnosis #MSK ... Polyarticular #Oligoarticular
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Knee Effusions - ... Inflammatory arthritis ... • CPPD: Pseudogout ... fluid • TB: Synovial ... #joint #fluid #
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
bacterial), acute rheumatic ... ): • Septic joint ... OA *Always do arthrocentesis ... #Joint #Pain #MSK ... #rheumatology #
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... DiseasesSeptic ... fluid • Gout or ... metabolic or endocrine disorders ... #Disease #Rheumatoid