8 results
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... Crystals - “Pseudogout ... ” - Calcium Pyrophosphate ... #Disorders #msk ... #Differential #Diagnosis
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Pain - Diagnostic ... ), RA, crystal disease ... #Joint #Pain #MSK ... #rheumatology # ... approach #workup
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Disease: • Pain ... disease must be ... #Pain #MSK #rheumatology ... #approach #workup ... #differential #diagnosis
Chondrocalcinosis: Calcium Pyrophosphate Dihydrate (CPPD) Deposition Disease

 - Acute CPPD precipitation into the joint space ->
Chondrocalcinosis: Calcium ... CPPD) Deposition Disease ... polyarticular arthritis ... affected — e.g., wrist ... Pathophysiology #Diagnosis
Pseudogout Summary - Calcium Pyrophosphate Deposition Disease (CPPD)

Pathophysiology:
Pyrophosphate produced by chondrocytes likely precipitates with calcium to
Pseudogout Summary ... (shoulders, wrists ... culture used to diagnose ... #Rheumatology # ... diagnosis #management
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... fluid • Gout or pseudogout ... crystals (gout) or calcium ... #laboratory #workup ... #diagnosis #testing
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... induced (Gout/Pseudogout ... Lyme • Gout/Pseudogout ... #Diagnosis #MSK ... #rheumatology #
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
(shoulders, wrists ... • Underlying disease ... precipitates with calcium ... Gout #Comparison #rheumatology ... #Diagnosis