14 results
Arthrocentesis of synovial fluid - Interpretation
 - Normal
 - Noninflammatory	
 - Inflammatory	
 - Septic

Viscosity of synovial
fluid - Interpretation ... arthritis; however ... 50,000 #Diagnosis #Differential ... #Analysis #Table ... #Infective #Arthritis
Arthrocentesis - Joint Fluid Analysis

Effusion Characteristics (Color, Clarity, WCC, PMN, Crystals, Bacteria) by Disease Process: 
OA,
Arthrocentesis - Joint Fluid ... Analysis Effusion ... , Septic arthritis ... #Diagnosis #Differential ... #Fluid #Effusion
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 ... #Infective #Arthritis
Arthrocentesis - Synovial Fluid Analysis
Normal < 150 WBC, Colorless/Straw color, High Viscosity
Noninflammatory < 3,000 WBC, Straw/yellow
Arthrocentesis - Synovial ... Fluid Analysis ... Low Viscosity Septic ... Arthrocentesis #Synovial ... #Fluid #Analysis
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Inflammatory arthritis ... Culture: Negative Septic ... fluid • TB: Synovial ... #joint #fluid # ... analysis
Fluid Analysis 
A systematic approach to analysis of the fluid in conjunction with the clinical presentation
Fluid Analysis ... systematic approach to analysis ... of the fluid in ... etiology, narrow the differential ... #csf #pleural #synovial
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders - Differential ... Monoarthritis • Septic ... • Psoriatic arthritis ... Inflammation of Synovium ... Disorders #msk #Differential
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Knee Effusions - Differential ... Knee Effusions - Septic ... granuloma - Synovial ... Hemophilia - Synovium ... Effusions #causes #differential
Septic arthritis of the elbow on Point of Care Ultrasound (POCUS)

66M w painful, swollen R elbow
Septic arthritis ... Note the marked synovial ... Synovial fluid WBC ... @UAB_Sono #Septic ... #arthritis #elbow
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
preferred test • Synovial ... fluid analysis ... Syphilis Arthritis-Dermatitis ... Painless) Purulent Arthritis