600 results
Arthrocentesis - Joint Fluid Analysis

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

Viscosity of synovial
Arthrocentesis of ... #Differential #Arthrocentesis ... Syonvial #Fluid #Effusion
Osteoarthritis (OA): Clinical findings
 • Stimulation of joint nociceptors in subchondral bone -> Pain with loading
Osteoarthritis (OA ... production -> Joint effusion ... Osteoarthritis #OA
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
spondyloarthropathies, lupus, OA ... or pseudogout, OA ... *Always do arthrocentesis ... • Non-bloody: OA ... gonorrhea, Lyme, OA
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:
#Diagnosis #Arthrocentesis ... Syonvial #Fluid #Effusion
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Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Knee Effusions - ... Arthrocentesis ... rav7ks #Knee #Effusions ... #Arthrocentesis
Osteoarthritis (OA): X-ray features 
 - Joint space narrowing (least specific)
 - Subchondral Cysts (pockets of
Osteoarthritis (OA ... Osteoarthritis #OA
Light's Criteria for Pleural Effusions

#Diagnosis #Pulmonary #Lights #Criteria #Pleural #Effusion #Differential

** GrepMed Recommended Text: Pocket Medicine:
Criteria for Pleural Effusions ... Criteria #Pleural #Effusion
Body Fluid Aspiration and Interpretation
 - Arthrocentesis
 - Paracentesis
 - Thoracentesis
 - Lumbar Puncture

Dr. Sarah Foohey
Interpretation - Arthrocentesis
Arthrocentesis - Synovial Fluid Analysis
Normal < 150 WBC, Colorless/Straw color, High Viscosity
Noninflammatory < 3,000 WBC, Straw/yellow
Arthrocentesis - ... Medicine @ucsdim #Arthrocentesis