29 results
Arthrocentesis - Joint Fluid Analysis

Effusion Characteristics (Color, Clarity, WCC, PMN, Crystals, Bacteria) by Disease Process: 
OA,
Arthrocentesis - Joint ... Fluid Analysis ... Effusion Characteristics ... #Diagnosis #Differential ... #Syonvial #Fluid
Reactive Arthritis
 • Inflammation of joints (commonly large joints)
    - Asymmetric Oligoarthritis: Joint
Reactive Arthritis ... Effusions • Inflammation ... Genitourinary tract -> Urethritis ... pathophysiology #diagnosis ... #signs #symptoms
Rheumatoid arthritis (RA): Pathogenesis and Joint diseases features
 • RA affects 1% of population, women >
Rheumatoid arthritis ... of inflammatory fluid ... exceeds rate of fluid ... effusion (Swelling ... #symptoms #diagnosis
Arthrocentesis of synovial fluid - Interpretation
 - Normal
 - Noninflammatory	
 - Inflammatory	
 - Septic

Viscosity of synovial
rule out septic arthritis ... ; however, the diagnosis ... WBC < 50,000 #Diagnosis ... Arthrocentesis #Joint ... #Effusion #Analysis
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders ... - Differential Diagnosis ... “Bamboo Spine” Fusion ... #Disorders #msk ... #Differential #Diagnosis
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 ... nongonococcal ) #Diagnosis ... Arthrocentesis #Joint ... #Effusion #Analysis ... Septic #Infective #Arthritis
Patellofemoral Syndrome - Pathogenesis and clinical findings
 • Anterior Knee Pain with possible symptoms of 'catching'
• Secondary effusion ... with MRI effusion ... pathophysiology #diagnosis ... #signs #symptoms ... #msk
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
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... suggested by warmth, effusion ... 2000 in synovial fluid ... noninflammatory Signs ... #Diagnosis #MSK
Distinguishing between Inflammatory and Degenerative joint disease
Inflammatory Joint Disease
 • Swelling stimulates joint nociceptors -> Pain
• Overnight fluid ... physically pushes fluid ... in Rheumatoid arthritis ... Comparison #Versus #MSK ... JointDisease #JointPain #Diagnosis