12 results
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Urticaria and hypocomplementemia ... , arthritis LARGE ... Vessel Size: • Large ... 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 #Large ... #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
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
Vasculitis - Break down based on vessel size 
Distribution of vessel involvement by large vessel vasculitis,
involvement by large ... Large vessel vasculitis ... affects large arteries ... basement membrane; ANCA ... #Classification
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
discrepancies LARGE ... (Glomerulonephritis ... Elevated AST ALT • Hypocomplementemia ... ) • Hypocomplementemic ... chorioretinitis, CNS large
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
Classification of ... Vasculitis Vasculitis ... of large 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
Recommended initial testing for patients being evaluated for glomerular disease 

24-hour urine collection - Quantify proteinuria.
or alternative complement ... ANA - Screen for ... ANCA - Screen for ... ANCA-related vasculitis ... workup #diagnosis #glomerulonephritis