9 results
Arthrocentesis - Joint Fluid Analysis

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

Viscosity of synovial
Inflammatory - Septic ... does not rule out septic ... Arthrocentesis #Joint ... #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:
Arthrocentesis #Joint ... Syonvial #Fluid #Effusion ... #Analysis #Table ... Aspiration #Pseudogout #Septic ... #Infective #Arthritis
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Knee Effusions - ... Inflammatory arthritis ... Septic • Color ... Interpretation #diagnosis ... #septic #joint
Acromioclavicular (AC) Joint Septic Arthritis on POCUS

IVDU with severe left shoulder pain.  Can fully range
Septic Arthritis ... AC joint septic ... septic arthritis ... #Septic #Arthritis ... #Effusion #POCUS
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... Monoarthritis • Septic ... “Bamboo Spine” Fusion ... #Disorders #msk ... #Differential #Diagnosis
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential Diagnosis ... Fever/Chills/Joint ... - Septic Arthritis ... #differential #diagnosis ... #msk #physicalexam
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
- Differential Diagnosis ... Pallor-bruising 3) Paralysis ... Poikilothermia • Septic ... #differential #diagnosis ... lower #extremity #msk
Amyloidosis - Summary
Group of disorders associated with extracellular deposition of fibrils formed from low-molecular-weight proteins in
osteomyelitis, Rheumatoid arthritis ... amyloidosis • Dialysis-related ... Hepatosplenomegaly & hepatic ... wasting Bone/Joint ... Persistent pleural effusions