11 results
Arthrocentesis - Joint Fluid Analysis

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

Viscosity of synovial
; however, the diagnosis ... Arthrocentesis #Joint ... #Effusion #Analysis ... #Table #Aspiration ... #Pseudogout #Septic
Distinguishing between Inflammatory and Degenerative joint disease
Inflammatory Joint Disease
 • Swelling stimulates joint nociceptors -> Pain
nociceptors -> Pain ... painful swelling -> Pain ... in Rheumatoid arthritis ... -> Pain with motion ... JointDisease #JointPain #Diagnosis
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Pain - Arthritis ... Differential Diagnosis ... 2000 in synovial fluid ... Joint #pain #Differential ... #Diagnosis #MSK
Leg Pain - Differential Diagnosis Framework

Bone/Joint Causes of Leg Pain:
 • Fracture
 • Arthritis
 • Gout/pseudogout
Diagnosis Framework ... Bone/Joint Causes ... • Gout/pseudogout ... Pallor-bruising 3) Paralysis ... differential #diagnosis
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Inflammatory arthritis ... Gout • CPPD: Pseudogout ... Interpretation #diagnosis ... #septic #joint ... #fluid #analysis
Pseudogout Summary - Calcium Pyrophosphate Deposition Disease (CPPD)

Pathophysiology:
Pyrophosphate produced by chondrocytes likely precipitates with calcium to
onset of swelling, pain ... Hypomagnesemia Synovial Fluid ... culture used to diagnose ... with acute neck pain ... #Rheumatology #diagnosis
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
culture of synovial fluid ... • Gout or pseudogout ... drop of synovial fluid ... dihydrate crystals (pseudogout ... , and low back pain
American College of Rheumatology Diagnostic Criteria for Gout
Presence of characteristic urate crystals in the joint fluid
of Rheumatology Diagnostic ... fluid or Presence ... fluid negative ... microorganisms during ... - Pain or redness