19 results
Arthrocentesis - Joint Fluid Analysis

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

Viscosity of synovial
Arthrocentesis of ... inflammatory or infectious ... #Joint #Syonvial ... Fluid #Effusion #Analysis ... #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:
nongonococcal ) #Diagnosis ... #Arthrocentesis ... #Table #Aspiration ... #Pseudogout #Septic ... #Infective #Arthritis
Knee Effusions - Arthrocentesis Interpretation

Inflammatory arthritis:
 • Color: Yellow-> Green
 • Clarity: Opaque
 • Viscosity: Low
Knee Effusions - Arthrocentesis ... Inflammatory arthritis ... Interpretation #diagnosis ... #septic #joint ... #fluid #analysis
Complications of Staph Aureus Bacteremia
 • CNS Infections
 • Septic pulmonary embolism (0.9% - 18.8%)
 •
Bacteremia • CNS Infections ... • Septic pulmonary ... embolism (0.9% ... arthritis - ... Complications #diagnosis
Risk Factors for Septic Arthritis
Contiguous spread

Skin infection, cutaneous ulcers

Direct inoculation

Previous intraarticular injection

Prosthetic joint: early and delayed
spread Skin infection ... early and delayed (Table ... immunodeficiency virus infection ... : late (Table 6) ... than 80 years #Diagnosis
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
• Ischemic optic ... • Interstitial lung ... • Shrinking lung ... System Tender points ... #differential #diagnosis
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Pain - Diagnostic ... ): • Septic joint ... OA *Always do arthrocentesis ... • WBC >20k: Septic ... • Key point: If
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... Monoarthritis • Septic ... within 1 month of infection ... should have other symptoms ... #Differential #Diagnosis
Lung Nodule - Differential Diagnosis Algorithm
Nodule on > 2 Years Without a Change in Size:
 •
Diagnosis Algorithm ... Breast, Testicle) Infection ... Tuberculosis • Septic ... Embolism • Parasitic ... • Rheumatoid Arthritis