15 results
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Symptoms of Joint Disease ... categories of joint disease ... #MSK #rheumatology ... #approach #workup ... #differential #diagnosis
Triquetral Fracture
The triquetrum is the second most commonly fractured carpal bone. Look for the "pooping duck
"pooping duck sign ... functional deficit and arthritis ... "pooping duck sign ... Radiology #XRay #Diagnosis ... #Sports #MSK
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
Positive pathergy test ... is a skin prick test ... Nonsurgical abdominal pain ... #management #signs ... #symptoms #rheumatology
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Rheumatology Workup ... , and low back pain ... (to support a diagnosis ... #laboratory #workup ... #diagnosis #testing
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Diagnosis Framework ... noninflammatory Signs ... Rheumatologic Disease ... #Diagnosis #MSK ... #rheumatology #
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Approach to Joint Pain ... - Diagnostic Framework ... #Joint #Pain #MSK ... #rheumatology # ... approach #workup
Pseudogout Summary - Calcium Pyrophosphate Deposition Disease (CPPD)

Pathophysiology:
Pyrophosphate produced by chondrocytes likely precipitates with calcium to
onset of swelling, pain ... culture used to diagnose ... with acute neck pain ... #Rheumatology # ... diagnosis #management
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
juvenile idiopathic arthritis ... • Fever is the main ... Liver function tests ... Activation #Syndrome #Diagnosis ... #Management #Hematology
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
systemic sx + signs ... claudication: pain ... chews, not just pain ... the “Chewing gum test ... #Management
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... purpura: strong sign ... , testes -> pain ... retinopathy Lab Tests ... #rheumatology #