266 results
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
to Joint Pain - Diagnostic ... or pseudogout, OA ... *Always do arthrocentesis ... #Joint #Pain #MSK ... #differential #diagnosis
Arthrocentesis - Joint Fluid Analysis

Effusion Characteristics (Color, Clarity, WCC, PMN, Crystals, Bacteria) by Disease Process: 
OA,
Arthrocentesis - ... Disease Process: OA ... Septic arthritis #Diagnosis ... #Differential #Arthrocentesis
Osteoarthritis (OA): X-ray features 
 - Joint space narrowing (least specific)
 - Subchondral Cysts (pockets of
Osteoarthritis (OA ... Osteoarthritis #OA ... Xray #radiology #diagnosis
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... Osteoarthritis (OA ... Amy Chung, MD, MSc ... Joint #Disorders #msk ... #Differential #Diagnosis
Body Fluid Aspiration and Interpretation
 - Arthrocentesis
 - Paracentesis
 - Thoracentesis
 - Lumbar Puncture

Dr. Sarah Foohey
Interpretation - Arthrocentesis ... Interpretation #diagnosis
Arthrocentesis - Synovial Fluid Analysis
Normal < 150 WBC, Colorless/Straw color, High Viscosity
Noninflammatory < 3,000 WBC, Straw/yellow
Arthrocentesis - ... Medicine @ucsdim #Arthrocentesis ... interpretation #diagnosis
Arthrocentesis of synovial fluid - Interpretation
 - Normal
 - Noninflammatory	
 - Inflammatory	
 - Septic

Viscosity of synovial
Arthrocentesis of ... ; however, the diagnosis ... WBC < 50,000 #Diagnosis ... #Differential #Arthrocentesis
Osteoarthritis (OA): Clinical findings
 • Stimulation of joint nociceptors in subchondral bone -> Pain with loading
Osteoarthritis (OA ... Osteoarthritis #OA ... pathophysiology #diagnosis
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Knee Effusions - Arthrocentesis ... analysis: • MSU ... Knee #Effusions #Arthrocentesis ... Interpretation #diagnosis
Fluid Analysis 
A systematic approach to analysis of the fluid in conjunction with the clinical presentation
the differential diagnoses ... #paracentesis #arthrocentesis