13 results
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
polyangiitis, Microscopic ... Disease-specific testing: anti-ANCA ... ab, anti-GBM ab ... , ANA, C3, C4, anti-CCP ... #nephrology
ANCA-Associated Vasculitis
A group of necrotizing, small-vessel vasculitis without immune complex deposition. Complement levels are normal due
ANCA-Associated ... polyangiitis (GPA), microscopic ... involvement - PR3>MPO Microscopic ... 90%, rarely PR3 Anti-GBM ... MPO #PR3 #Diagnosis
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
Vasculitis: • ... Microscopic polyangiitis ... Renal-limited vasculitis ... + 90% • Anti-GBM ... Antineutrophil #antibodies #diagnosis
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
- Vasculitis, e.g ... - Vasculitis, e.g ... Microscopic polyangiitis ... Celiac disease Anti-GBM ... Associations #diseases #diagnosis
Glomerulonephritis - Differential Diagnosis Framework
ANCA:
 • C-ANCA: GPA (Wegener's)
 • P-ANCA: Microscopic Polyangiitis, Eosinophilic GPA (Churg
- Differential Diagnosis ... : Microscopic Polyangiitis ... Churg Strauss) Anti-GBM ... #differential #diagnosis ... #nephrology #causes
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... ): • Microscopic ... glomerulonephritis) • Anti-GBM ... (anti-C1q Vasculitis ... Dx: GPA, EGPA, microscopic
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
and Differential Diagnosis ... dipstick, urine microscopy ... Glomerulonephritis / Vasculits ... : ANCA, ANA, Anti-GBM ... #nephrology #causes
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Pre-Renal:
 • Hypovolemia, Cardiorenal, Distributive Shock, HRS, Hypercalcemia, Renal
- Differential Diagnosis ... Emboli, Thrombosis, Vasculitis ... • GN: ANCA, Anti-GBM ... #Differential #Diagnosis ... #nephrology #causes
Summary of characteristic abnormalities of selected glomerular diseases
Light Microscopy (LM) - Immunofluorescence Microscopy (IM) - Electron
(IM) - Electron ... Microscopy (EM) ... Amyloid RPGN • Anti-GBM ... glomerular #diseases #nephrology ... comparison #table #diagnosis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... )): Microscopic ... abdominal pain and GN Anti-GBM ... (anti-C1q Vasculitis ... (anti-C1q Vasculitis