14 results
Arthrocentesis - Joint Fluid Analysis

Effusion Characteristics (Color, Clarity, WCC, PMN, Crystals, Bacteria) by Disease Process: 
OA,
, Septic arthritis ... #Diagnosis #Differential ... Effusion #Analysis #Table ... Aspiration #Pseudogout #Septic ... #Infective #Arthritis
Typical Clinical Presentations of Septic Arthritis by Pathogen and Joint Involvement

#Diagnosis #Septic #Arthritis #Differential #History #Presentation
Presentations of Septic ... and Joint Involvement ... #Diagnosis #Septic ... #Arthritis #Differential ... Pathogen #Bacteria #Table
Arthrocentesis of synovial fluid - Interpretation
 - Normal
 - Noninflammatory	
 - Inflammatory	
 - Septic

Viscosity of synovial
Inflammatory - Septic ... does not rule out septic ... Arthrocentesis #Joint ... Aspiration #Pseudogout #Septic ... #Infective #Arthritis
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
): • Septic joint ... • WBC >20k: Septic ... infection. ... approach #workup ... #differential #
Risk Factors for Septic Arthritis
Contiguous spread

Skin infection, cutaneous ulcers

Direct inoculation

Previous intraarticular injection

Prosthetic joint: early and delayed
Risk Factors for Septic ... early and delayed (Table ... : late (Table 6) ... #Diagnosis #Septic ... #Infective #Arthritis
Infectious Joint Pain - Differential Diagnosis Algorithm 
Polyarticular Join Pain
 • Viral Myalgia
 • Viral Arthritis
Infectious Joint ... Pain - Differential ... Polyarticular Join ... Fasciitis • Septic ... Onset • Septic
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Joint Disorders ... - Differential Diagnosis ... Monoarthritis • Septic ... within 1 month of infection ... Disorders #msk #Differential
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:
Arthrocentesis #Joint ... Effusion #Analysis #Table ... Aspiration #Pseudogout #Septic ... #Infective #Arthritis
Extra-articular and Other Conditions Associated with Joint Pain

Eyes
  • Iritis or uveitis - Spondyloarthropathies, Sarcoidosis,
• Ischemic optic ... Bacterial or viral infection ... Cardiomyopathies - Viral infection ... #pain #differential ... #diagnosis #rheumatology
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Causes of Bone/Joint ... Osteomyelitis / Septic ... Arthritis: • ... • Differentiate ... diagnosis #causes #hematology