5 results
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... Mnemonic C - Cryoglobulinemia ... S - Systemic Lupus ... @AnnKumfer #Hypocomplementemia ... #Low #Complement
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
staining): • Low Complement ... Post-strep GN, Lupus ... Nephritis, Cryoglobulinemia ... Idiopathic • Normal Complement ... differential #diagnosis #algorithm
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Cryoglobulinemia ... Triad - Mixed Cryoglobulinemia ... • Low serum C4 complement ... (e.g. systemic lupus ... diagnosis #types #classification
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
ANCA +MPO) • Cryoglobulinemic ... inflammation Others: • Lupus ... such as systemic lupus ... against MPO • Complement ... #rheumatology #classification
Summary table of types of hypersensitivity reactions. 
Type 1
 - Mediators: lgE
 - Antigen Form: Soluble
antigens, leading to complement ... they activate complement ... glomerulonephritis, Systemic lupus ... allergy #table #classification ... #comparison