6 results
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
- Differential Diagnosis ... Gout - Uric Acid Crystals ... “Pseudogout” - Calcium ... #Disorders #msk ... #Differential #
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Disease: • Pain ... Crystal Deposition ... ochronosis and crystal ... #Pain #MSK #rheumatology ... approach #workup #differential
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
disease, spondyloarthropathies ... Inflammatory, crystalline disease ... Crystals: ... #Joint #Pain #MSK ... approach #workup #differential
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Inflammatory Joint ... Pain - Differential ... polyangiitis (GPA)/microscopic ... Inflammatory #JointPain #MSK ... #Differential #
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... Inflammatory • Crystal ... Rheumatologic Disease ... Joint #pain #Differential ... #Diagnosis #MSK
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
polarized light microscopy ... intracellular urate crystals ... (gout) or calcium ... profile (e.g., calcium ... • Serum and urine