285 results
Arthrocentesis - Joint Fluid Analysis

Effusion Characteristics (Color, Clarity, WCC, PMN, Crystals, Bacteria) by Disease Process: 
OA,
Arthrocentesis - ... Disease Process: OA ... , Traumatic arthritis ... , Septic arthritis ... #Differential #Arthrocentesis
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Lyme), reactive arthritis ... or pseudogout, OA ... *Always do arthrocentesis ... SLE, psoriatic arthritis ... differential #diagnosis #arthritis
Arthrocentesis of synovial fluid - Interpretation
 - Normal
 - Noninflammatory	
 - Inflammatory	
 - Septic

Viscosity of synovial
Arthrocentesis of ... rule out septic arthritis ... #Differential #Arthrocentesis ... Septic #Infective #Arthritis
Monoarthritis - Differential Diagnosis
Infection (Acute):
 - S. aureus (most common)
 - S. pneumonia
 - Salmonella (in
Early Rheumatoid arthritis ... IBD, reactive arthritis ... , psoriatic arthritis ... Sarcoid - Erosive OA
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
Juvenile idiopathic arthritis ... Onycholysis - Psoriatic arthritis ... Pitting - Psoriatic arthritis ... Tumor-associated arthritis ... , Takayasu's arteritis
Seronegative Inflammatory Arthritis - Differential Diagnosis
 • Seronegative Rheumatoid Arthritis 
 • Infectious Arthritis: Viral, Bacterial,
Seronegative Inflammatory Arthritis ... Seronegative Rheumatoid Arthritis ... • Infectious Arthritis ... IBD-Associated Arthritis ... , Reactive Arthritis
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 ... Septic #Infective #Arthritis
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joints • Reactive arthritis ... • Psoriatic arthritis ... Osteoarthritis (OA ... • Rheumatoid Arthritis
Septic Arthritis - Diagnosis and Management Summary
Clinical Exam: hot, swollen, pain with passive AND active ROM
Septic Arthritis ... disease, viral arthritis ... Workup: arthrocentesis ... with migratory arthritis ... rule out septic arthritis
Arthritis of the Hand - Arthritis Patterns

Osteoarthritis:
• Osteoarthritis of the hand usually involves the DIP and
Arthritis of the ... Hand - Arthritis ... Rheumatoid Arthritis ... • Rheumatoid arthritis ... DIP + 1st CMC = OA