4 results
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... Post/pauci immune glomerulonephritis ... 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):
Rapidly Progressive ... staining): • Low ... Complement: Post-strep ... GN, Lupus Nephritis ... differential #diagnosis #algorithm
Pulmonary Renal Syndromes and Mimics - Differential Diagnosis Framework
Diffuse alveolar hemorrhage + rapidly progressive glomerulonephritis
90%:
 -
Diagnosis Framework Diffuse ... alveolar hemorrhage + rapidly ... progressive glomerulonephritis ... anti-GBM) 10%: - Low ... Complement Levels
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
, proteinuria, rapidly ... inflammation Others: • Lupus ... such as systemic lupus ... against MPO • Complement ... (Low levels mixed