7 results
Arthrocentesis - Joint Fluid Analysis

Effusion Characteristics (Color, Clarity, WCC, PMN, Crystals, Bacteria) by Disease Process: 
OA,
Joint Fluid Analysis ... , Bacteria) by Disease ... birefringent crystals), Gout ... Septic arthritis #Diagnosis ... #Septic #Infective
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Approach to Joint ... bacterial), acute rheumatic ... OA *Always do arthrocentesis ... Joint #Pain #MSK #rheumatology ... #approach #workup
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Approach to Joint ... and WBC >2000 in synovial ... fluid • What ... /Pseudogout) ... #MSK #rheumatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... and culture of synovial ... fluidGout or ... #Disease #Rheumatoid ... #Rheumatology
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
• Underlying disease ... Fluid: • WBCs ... concomitant infection ... : Synovial Fluid ... #Comparison #rheumatology
Pseudogout Summary - Calcium Pyrophosphate Deposition Disease (CPPD)

Pathophysiology:
Pyrophosphate produced by chondrocytes likely precipitates with calcium to
joints ("pseudo-rheumatoid ... Hypomagnesemia Synovial ... Fluid: • WBCs ... concomitant infection ... #Rheumatology #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
: • Systemic rheumatic ... Cerebrospinal fluid ... purpura, joint & gut ... , recent viral infection ... #Rheumatology