21 results
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
arthritis, gout or pseudogout ... arthrocentesis! ... Spondyloarthropathies, gout, pseudogout ... Rhomboid, blue = pseudogout ... #Joint #Pain #MSK
Arthrocentesis - Joint Fluid Analysis

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

Viscosity of synovial
Arthrocentesis of ... #Differential #Arthrocentesis ... Table #Aspiration #Pseudogout
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Crystals - “Pseudogout ... Osteoarthritis (OA ... Amy Chung, MD, MSc ... Joint #Disorders #msk
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 ... Table #Aspiration #Pseudogout
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Knee Effusions - Arthrocentesis ... analysis: • MSU ... Gout • CPPD: Pseudogout ... Knee #Effusions #Arthrocentesis
Septic Arthritis - Diagnosis and Management Summary
Clinical Exam: hot, swollen, pain with passive AND active ROM
osteoarthritis, gout, pseudogout ... arthritis Workup: arthrocentesis
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Podagra, Tophi) • Pseudogout ... Inflammatory #JointPain #MSK
Ultrasound guidance for knee arthrocentesis. 

Dr. Stephen Alerhand @SAlerhand

#Knee #Arthrocentesis #POCUS #clinical #ultrasound #MSK
guidance for knee arthrocentesis ... SAlerhand #Knee #Arthrocentesis ... clinical #ultrasound #MSK
Ultrasound Guided Knee Arthrocentesis 

Use ultrasound for arthrocentesis! More accurate and less painful.
Ultrasound-guided versus landmark in
Ultrasound Guided Knee Arthrocentesis ... ultrasound for arthrocentesis ... landmark in knee arthrocentesis ... ___kim #Knee #Arthrocentesis ... pocus #clinical #msk