12 results
Arthrocentesis - Joint Fluid Analysis

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

Viscosity of synovial
Arthrocentesis of ... arthritis; however ... , the diagnosis ... #Effusion #Analysis ... #Infective #Arthritis
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Knee Effusions - ... Arthrocentesis ... Inflammatory arthritis ... #Effusions #Arthrocentesis ... Interpretation #diagnosis
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:
nongonococcal ) #Diagnosis ... #Arthrocentesis ... #Effusion #Analysis ... Aspiration #Pseudogout #Septic ... #Infective #Arthritis
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
Causes of Knee Effusions ... - Differential Diagnosis ... Effusions - Septic ... #differential #diagnosis ... #msk #physicalexam
Acromioclavicular (AC) Joint Septic Arthritis on POCUS

IVDU with severe left shoulder pain.  Can fully range
) Joint Septic Arthritis ... Diagnosis? ... Arthrocentesis-64K ... #Arthritis #Effusion ... #MSK
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... Algorithm Monoarthritis ... • Septic • ... “Bamboo Spine” Fusion ... Joint #Disorders #msk
Disseminated Gonococcal Infection - Diagnosis and Management Summary

Bacteremic spread of the Gram-negative diplococci Neisseria gonorrhoeae. History
test • Synovial fluid ... accessible joint effusion ... Syphilis Arthritis-Dermatitis ... Painless) Purulent Arthritis ... Distal joints, knees
Bone Deformity / Limp - Differential Diagnosis Algorithm 
Infection
 • Septic Arthritis
 • Cortical Hypertrophy
 •
- Differential Diagnosis ... Algorithm Infection ... • Septic Arthritis ... Legg-Calve-Perthes Disease Knee ... Deformity #Limp #MSK
Gout - Diagnosis and Management Summary

3 Conditions for Gout to Manifest:
1. Hyperuricemia
2. Monosodium urate deposition in
forefoot, ankles, knees ... frequent attacks • Arthritis ... fingers Synovial Fluid ... or arthrocentesis ... not possible • Ultrasound