13 results
Arthrocentesis - Joint Fluid Analysis

Effusion Characteristics (Color, Clarity, WCC, PMN, Crystals, Bacteria) by Disease Process: 
OA,
- Joint Fluid Analysis ... TB arthritis, Septic ... #Diagnosis #Differential ... #Table #Aspiration ... #Pseudogout #Septic
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders - Differential ... • Septic • ... Crystals - “Pseudogout ... Joint #Disorders #msk ... #Differential #
Arthrocentesis of synovial fluid - Interpretation
 - Normal
 - Noninflammatory	
 - Inflammatory	
 - Septic

Viscosity of synovial
Inflammatory - Septic ... 50,000 #Diagnosis #Differential ... Fluid #Effusion #Analysis ... #Table #Aspiration ... #Pseudogout #Septic
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 ... Fluid #Effusion #Analysis ... #Table #Aspiration ... #Pseudogout #Septic
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Culture: Negative Septic ... RBC's Crystal analysis ... : • MSU: Gout ... • CPPD: Pseudogout ... #joint #fluid #analysis
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis Differential ... induced (Gout/Pseudogout ... Lyme • Gout/Pseudogout ... #Joint #pain #Differential ... #Diagnosis #MSK
Chronic Joint Pain - Differential Diagnosis Algorithm 
Intra-Articular
 - Bone
     • Stress
Chronic Joint Pain - Differential ... Synovium • Monoarthritis ... Bursa • Aseptic ... Intraarticular #MSK ... #Differential #
Soft Tissue Lesions - Differential Diagnosis Algorithm 
Septic
 • Septic Bursitis
 • Necrotizing Fasciitis
 • Septic
Tissue Lesions - Differential ... • Septic Bursitis ... Synovitis • Monoarthritis ... SoftTissue #Lesions #MSK ... #Differential #
Unilateral Acute Vision Loss - Differential Diagnosis Algorithm
Painful - Cornea
 • Keratopathy
Painful - No Abnormalities of
Vision Loss - Differential ... Abnormalities of the Optic ... Nerve • Acute Angle ... Demyelination • MS ... Acute #VisionLoss #Differential
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
(1 joint): • Septic ... arthritis, gout or pseudogout ... • WBC >20k: Septic ... #Joint #Pain #MSK ... approach #workup #differential