12 results
Rheumatoid Arthritis Summary
MCP and PIP Involvement, Spares DIP, Carpal Tunnel, Sicca Syndrome, Epi/Scleritis, Heart Disease, Rheumatoid
Rheumatoid Arthritis ... Involvement, Spares ... , Sicca Syndrome ... Disease, Rheumatoid Vasculitis ... #RA #diagnosis
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
, small-vessel vasculitis ... and diplopia) • Vascular ... Positive pathergy test ... is a skin prick test ... ) Differential Diagnosis
Behcet's Syndrome - Diagnosis
Diagnostic Criteria for Behget's Syndrome (International Study Group for Behget's Disease):
 • Recurrent,
- Diagnosis Diagnostic ... Uveitis or retinal vasculitis ... Abnormal pathergy test ... ) • Arthritis ( ... and peripheral vascular
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... and bullous or vesicular ... • Cogan Syndrome ... retinopathy Lab Tests ... Cryoglobulins • HIV
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Vascular Sludging ... HBV infection, HIV ... arthralgia, and arthritis ... Labs/Diagnosis: ... Cryoglobulins #diagnosis
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
present both at rest ... trauma (e.g., meniscal ... e.g., congenital hip ... osteopetrosis, avascular ... #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 ... Seronegative Reactive Syndrome ... Ligamentous injuries - Meniscal ... #differential #diagnosis ... #msk #physicalexam
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... Differential Diagnosis ... pulse deficits vascular ... of shoulder and hip ... • Cogan syndrome
Differential Diagnosis of Acute Arthritis

Crystal-induced arthritis: Calcium oxalate, gout, cholesterol, pseudogout, hydroxyapatite crystals

Infectious arthritis: Bacteria, fungi,
Differential Diagnosis ... : Behçet syndrome ... ), systemic vasculitis ... : Amyloidosis, avascular ... hyperlipoproteinemia,* meniscal
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential Diagnosis ... Disruptions in vascular ... ITP - APLS - HIT ... Fecal occult blood test ... #dermatology #physicalexam