12 results
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Differential Diagnosis ... polyangiitis, Microscopic ... ab, anti-GBM ab ... #differential #diagnosis ... #nephrology
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
(liver kidney microsomal ... disease c-ANCA - Vasculitis ... Microscopic polyangiitis ... Celiac disease Anti-GBM ... Associations #diseases #diagnosis
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Henoch-SchonIein Purpura Anti-GBM ... • Limited to Kidney ... : Anti-GBM Glomerulonephritis ... With associated pulmonary ... involvement: Anti-GBM
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Pre-Renal:
 • Hypovolemia, Cardiorenal, Distributive Shock, HRS, Hypercalcemia, Renal
Acute Kidney Injury ... - Differential Diagnosis ... Emboli, Thrombosis, Vasculitis ... • GN: ANCA, Anti-GBM ... #nephrology #causes
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Acute Kidney Injury ... dipstick, urine microscopy ... Glomerulonephritis / Vasculits ... : ANCA, ANA, Anti-GBM ... #nephrology #causes
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
PR3-ANCA): • Microscopic ... glomerulonephritis) • Anti-GBM ... (anti-C1q Vasculitis ... Kidneys -> glomerulonephritis ... Dx: GPA, EGPA, microscopic
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
Anti-GIomeruIar Basement Membrane Disease (Goodpasture's Disease)

What is it? A small vessel vasculitis with circulating antibodies directed
A small vessel vasculitis ... hemorrhage Diagnosis ... : • Anti-GBM antibodies ... weeks By Tess Litchman ... #nephrology #pulmonary
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Autoimmune ANCA vasculitis ... polyangiitis), MPA (microscopic ... palpable purpura 2/2 vasculitis ... ANCA antibody, Anti-GBM ... usually low in anti-GBM
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Causes of Acute Kidney ... - Differential Diagnosis ... Glomerulonephritis • Anti-GBM ... polyangiitis /microscopic ... #KidneyInjury #Nephrology