12 results
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Urticaria and hypocomplementemia ... MEDIUM VESSEL ... aortic aneurysm • Medium ... against MPO • Complement ... #rheumatology #classification
A System for Vasculitides 

#Diagnosis #IM #Rheum #Vasculitis #Small #Medium #Large #Vessel #Size #Classification #ANCA #Differential
A System for Vasculitides ... #Small #Medium ... #Vessel #Size #Classification ... #ANCA #Differential ... #Algorithm #Ddxof
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Rapidly Progressive Glomerulonephritis ... staining): • Low Complement ... Idiopathic • Normal Complement ... #Vasculitis #differential ... #diagnosis #algorithm
Vasculitis - Break down based on vessel size 
Distribution of vessel involvement by large vessel vasculitis,
, medium vessel ... Medium vessel vasculitis ... large artery, medium ... basement membrane; ANCA ... #Large #Classification
Pulmonary Renal Syndromes and Mimics - Differential Diagnosis Framework
Diffuse alveolar hemorrhage + rapidly progressive glomerulonephritis
90%:
 -
rapidly progressive glomerulonephritis ... 90%: - ANCA Associated ... Double Positive (ANCA ... anti-GBM) 10%: - Low Complement ... - Normal Complement
Diagnosis and management of Polyarteritis Nodosa (PAN)

Chapel Hill 2012 definition: 
Necrotizing vasculitis ofmedium or small arteries
Necrotizing vasculitis ... ofmedium or small ... arteries without glomerulonephritis ... or vasculitis in ... associated with ANCA
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
primary condition MEDIUM ... , pauci-immune glomerulonephritis ... (Glomerulonephritis ... Elevated AST ALT • Hypocomplementemia ... ) • Hypocomplementemic
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
Classification of ... Vasculitis Vasculitis ... of medium vessels ... small vessels - ANCA-associated ... dermatomyositis #Size #Classification
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Skin ulcers - Glomerulonephritis ... • Low serum C4 complement ... DDX: • ANCA (Antineutrophil ... • Vasculitis ... diagnosis #types #classification
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Injury - AKI Workup Algorithm ... and signs • Glomerulonephritis ... / Vasculits: ANCA ... , ANA, Anti-GBM, ... #AKI #Workup #Algorithm