18 results
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Causes of Hypocomplementemia ... Chain deposition disease ... Erythematosus (total 50, renal ... @AnnKumfer #Hypocomplementemia ... #Low #Complement
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
pulmonary and renal ... often involved • Hypocomplementemic ... Urticaria and hypocomplementemia ... against MPO • Complement ... • Urinalysis (Renal
Pulmonary Renal Syndromes and Mimics - Differential Diagnosis Framework
Diffuse alveolar hemorrhage + rapidly progressive glomerulonephritis
90%:
 -
Pulmonary Renal ... - Anti-GBM Disease ... anti-GBM) 10%: - Low Complement ... - Normal Complement ... , Behcet's Disease
ANCA-Associated Vasculitis
A group of necrotizing, small-vessel vasculitis without immune complex deposition. Complement levels are normal due
ANCA-Associated Vasculitis ... Complement levels ... polyangiitis without renal ... polyangiitis - MPO>PR3 Renal-limited ... PR3 Anti-GBM disease
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
staining): • Low Complement ... Idiopathic • Normal Complement ... involvement: Anti-GBM Disease ... Glomerulonephritis #Vasculitis ... differential #diagnosis #algorithm
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
pulmonary and renal ... atherosclerotic disease ... most important diseases ... Elevated AST ALT • Hypocomplementemia ... ) • Hypocomplementemic
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Differential Diagnosis Algorithm ... ASA) • Renal Disease ... • Steroids • Vasculitis ... Von Willebrand's Disease ... Differential #Diagnosis #Algorithm
Causes of ileitis beyond Crohn’s disease and infections include systemic disorders -spondyloarthropathies, vasculitides, ischemia, and amyloidosis
beyond Crohn’s disease ... spondyloarthropathies, vasculitides ... See below for table ... helpful paper complements ... #Differential #Table
Guide to Acute Kidney Injury (AKI)

What to ask/look for: 
 - HPI, PMH, full ROS
protein/Cr - Renal ... - 45% - Pre-renal ... disease — 21% ... Glomerulonephritis or vasculitis ... Nephrology #Diagnosis #Algorithm
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
IgG4-Related Disease ... pancreas, biliary, renal ... rheumatoid factor), ± hypocomplementemia ... No necrosis, No vasculitis ... IgG4 #Related #Disease