643 results
CPPD vs Gout

== CPPD == 

Think About CPPD When:
 • Self-limited synovitis after surgery/trauma (> 65
calcium to form CPP crystals ... Acute CPP Crystal ... Chronic CPP Crystal ... to phagocytosed crystals ... Gout #Comparison #rheumatology
Seronegative Inflammatory Arthritis - Differential Diagnosis
 • Seronegative Rheumatoid Arthritis 
 • Infectious Arthritis: Viral, Bacterial,
Inflammatory Myopathy • Crystal ... Differential #Diagnosis #rheumatology
Approach to Gout
Diagnosis: r/o septic arthritis! Needle-shaped, negative birefringent crystals
Treatment:
 • Weight loss, diet, d/c culprit
negative birefringent crystals ... treatment #ULT #rheumatology
Pseudogout Summary - Calcium Pyrophosphate Deposition Disease (CPPD)

Pathophysiology:
Pyrophosphate produced by chondrocytes likely precipitates with calcium to
calcium to form CPP crystals ... Acute CPP Crystal ... Chronic CPP Crystal ... pyrophosphate crystal ... Deposition #Disease #Rheumatology
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
mycobacterial), RA, crystal ... culture, look for crystals ... psoriatic arthritis Crystals ... Joint #Pain #MSK #rheumatology
American College of Rheumatology Diagnostic Criteria for Gout
Presence of characteristic urate crystals in the joint fluid
American College of Rheumatology ... characteristic urate crystals ... contain urate crystals ... criteria #diagnosis #Rheumatology
Gout - Diagnosis and Management Summary

3 Conditions for Gout to Manifest:
1. Hyperuricemia
2. Monosodium urate deposition in
to phagocytosed crystals ... predominance • Urate crystal ... Intracellular (leukocyte) crystals ... Extracellular crystals ... management #treatment #rheumatology
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
inflammatory arthritides Crystal ... ochronosis and crystal ... Joint #Pain #MSK #rheumatology
Arthritis of the Hand - Arthritis Patterns

Osteoarthritis:
• Osteoarthritis of the hand usually involves the DIP and
Psoriatic arthritis, crystal-induced ... hand #diagnosis #rheumatology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Inflammatory • Crystal ... - Autoimmune Rheumatologic ... Diagnosis #MSK #rheumatology