16 results
Arthrocentesis - Joint Fluid Analysis

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

Viscosity of synovial
Arthrocentesis of ... rule out septic arthritis ... #Joint #Syonvial ... Effusion #Analysis #Table ... Pseudogout #Septic #Infective
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 ... #Joint #Syonvial ... Effusion #Analysis #Table ... Pseudogout #Septic #Infective ... #Arthritis
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Knee Effusions - Arthrocentesis ... Inflammatory arthritis ... fluid • TB: Synovial ... and culture or synovial ... Knee #Effusions #Arthrocentesis
Monoarthritis - Differential Diagnosis
Infection (Acute):
 - S. aureus (most common)
 - S. pneumonia
 - Salmonella (in
Differential Diagnosis Infection ... - Gonococcal infection ... Infection (Chronic ... , psoriatic arthritis ... Sarcoid - Erosive OA
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Lyme), reactive arthritis ... *Always do arthrocentesis ... with bacterial infection ... prosthetic joint infection ... SLE, psoriatic arthritis
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joints • Reactive arthritis ... within 1 month of infection ... • Psoriatic arthritis ... Osteoarthritis (OA ... • Rheumatoid Arthritis
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
Osteoarthritis with CPPD: OA ... Hypomagnesemia Synovial ... diagnose concomitant infection ... attacks Gout: Synovial ... Diagnose concomitant infection
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
Disseminated Gonococcal Infection ... symptomatic genital infection ... preferred test • Synovial ... Syphilis Arthritis-Dermatitis ... Painless) Purulent Arthritis
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- DDX: - Infection ... Effusions - Septic Arthritis ... : - Reactive arthritis ... RA/Idiopathic arthritis ... granuloma - Synovial