6 results
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Pain - Diagnostic ... get bacterial seeding ... - parvovirus, HIV ... #Joint #Pain #MSK ... #rheumatology #
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
present both at rest ... Acute or chronic infections ... e.g., congenital hip ... #Pain #MSK #rheumatology ... #differential #diagnosis
Causes of Knee Effusions - Differential Diagnosis Framework

Knee Effusion Red Flags:
1. Fever/Chills/Joint pain/Night sweats/Weight loss
	- DDX:
		-
- Differential Diagnosis ... Fever/Chills/Joint ... pain/Night sweats ... - DDX: - Infection ... #msk #physicalexam
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings

 - Infectious Agents - 50% have
Colicky abdominal pain ... , vomiting, GI bleeding ... insufficiency - Joints ... arthritis (especially knees ... Pathophysiology #Diagnosis
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
Cryoglobulins (Vasculitic ... Mycoplasma, EBV, HIV ... chills, flank pain ... test #cold # ... #hematology #diagnosis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... vesicular eruption - Joints ... retinopathy Lab Tests ... Cryoglobulins • HIV ... #rheumatology #