9 results
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often involved • Hypocomplementemic ... Urticaria and hypocomplementemia ... Vasculitis: + MPO-ANCA ... 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 ... Diagnosis #IM #Rheum #Vasculitis ... #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):
staining): • Low Complement ... Idiopathic • Normal Complement ... (C-ANCA): GPA > ... Glomerulonephritis #Vasculitis ... differential #diagnosis #algorithm
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Kidney Injury - AKI Workup ... Algorithm and Differential ... Glomerulonephritis / Vasculits ... : ANCA, ANA, Anti-GBM ... #Injury #AKI #Workup
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 ... glomerular #testing #workup
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• Low serum C4 complement ... DDX: • ANCA (Antineutrophil ... • IgA vasculitis ... • Vasculitis ... diagnosis #types #classification
Recommended initial testing for patients being evaluated for glomerular disease
1) 24-hour urine collection - Quantify proteinuria.
or alternative complement ... disorders. 9) ANCA ... - Screen for ANCA-related ... vasculitis. 10 ... glomerular #disease #workup
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
anti-Smith Ab, low complements ... Skin Disease Classification ... vasculitis, rheumatoid ... • Mesenteric vasculitis ... RNP antibodies, Complement
Monoclonal Gammopathy of Renal Significance (MGRS)

MGRS
• MGRS refers to kidney disease caused by nephrotoxic monoclonal immunoglobulins
Diagnostic Workup ... guide subtype classification ... tubulopathy) - Complement ... formation causing vasculitis