10 results
ANCA-Associated Vasculitis
A group of necrotizing, small-vessel vasculitis without immune complex deposition. Complement levels are normal due
- C-ANCA pattern ... ) - P-ANCA pattern ... @AnnKumfer #ANCA ... MPO #PR3 #Diagnosis ... #Rheumatology
ANCA-Associated Vasculitis
There are many definitions, but most come down to the presence of granulomas (pathologically or
ANCA-Associated ... Vasculitis There ... StanfordChiefs #ANCA ... #diagnosis #algorithm ... #rheumatology
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
ANA (Antinuclear ... Antibody) and ANCA ... + 60% • Eosinophilic ... #antibodies #diagnosis ... #rheumatology #
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Workup Algorithm ... signs • Glomerulonephritis ... / Vasculits: ANCA ... , ANA, Anti-GBM, ... Interstitial nephritis: eosinophilia
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
• EGPA: - Eosinophilia ... often causes arthritis ... Vasculitis: + MPO-ANCA ... purpura: strong sign ... #rheumatology #
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Pre-Renal:
 • Hypovolemia, Cardiorenal, Distributive Shock, HRS, Hypercalcemia, Renal
Kidney Injury (AKI ... Emboli, Thrombosis, Vasculitis ... • GN: ANCA, Anti-GBM ... #nephrology #causes ... #algorithm
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Negative IF): • PR3-ANCA ... (C-ANCA): GPA > ... > eGPA • MPO-ANCA ... (P-ANCA): eGPA, ... #algorithm #rheumatology
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Summary Autoimmune ANCA ... vasculitis (AAV ... EGPA) • Renal: (AKI ... Auto-antibodies: ANCA ... antibody • Urine
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... purpura: Strong sign ... Polyangiitis): • Eosinophilia ... often causes arthritis ... #Rheumatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... Cryoglobulins Cause ... DDX: • ANCA (Antineutrophil ... cytoplasmic antibody ... classification #rheumatology