18 results
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Etiology: • Vascular ... Kasabach-Merritt syndrome ... Gardner-Diamond syndrome ... /HSP • Cryoglobulinemia ... #rheumatology #
Behcet's Syndrome - Diagnosis
Diagnostic Criteria for Behget's Syndrome (International Study Group for Behget's Disease):
 • Recurrent,
Uveitis or retinal vasculitis ... Abnormal pathergy test ... uveitis, retinal vasculitis ... and peripheral vascular ... Diagnosis #criteria #rheumatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Vascular Sludging ... Hyperviscosity Syndrome ... HBV infection, HIV ... 20% Sjögren's syndrome ... classification #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
and bullous or vesicular ... • Cogan Syndrome ... retinopathy Lab Tests ... Cryoglobulins • HIV ... differential #diagnosis #rheumatology
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 ... signs #symptoms #rheumatology
Weakness - Differential Diagnosis Framework

Approach To Weakness:
 • Non-neuromuscular disorder (Cardiac, pulmonary etc)
 • CNS ->
Diagnosis Framework Approach ... • Acute stroke syndromes ... Paraneoplastic syndrome ... Lambert-Eaton - Isaacs' syndrome ... parainfluenza, Coxsackie, HIV
Approach to Joint Pain

History:
Is the pain from:
	• Joint
	• Adjacent bursa
	• Tendon
	• Ligament
	• Bone
	• Muscle
	• Referred from
Approach to Joint ... e.g., congenital hip ... #Joint #Pain #MSK ... #rheumatology # ... approach #workup
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
pulse deficits vascular ... of shoulder and hip ... • Behcet syndrome ... • Cogan syndrome ... Differential #Diagnosis #Rheumatology
Venous Thrombosis vs Arterial Thrombosis - Differential Diagnosis Framework

VENOUS THROMBOSIS

 • Acquired Risk Factors:
	- >48 hours
Hematological: - HIT ... • Nephrotic Syndrome ... 19 - PNH - Vasculitis ... pathophysiology #hematology ... differential #diagnosis #vascular
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
Approach to Joint ... - parvovirus, HIV ... #Joint #Pain #MSK ... #rheumatology # ... approach #workup