11 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 ... #diagnosis #nephrology
Glomerulonephritis - Differential Diagnosis Framework
ANCA:
 • C-ANCA: GPA (Wegener's)
 • P-ANCA: Microscopic Polyangiitis, Eosinophilic GPA (Churg
Diagnosis Framework ... : Microscopic Polyangiitis ... Churg Strauss) Anti-GBM ... #diagnosis #nephrology ... #causes
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
Vasculitis: • Microscopic ... polyangiitis without renal ... + 30-60% • Renal-limited ... + 90% • Anti-GBM ... Antineutrophil #antibodies #diagnosis
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Diagnosis Baseline ... dipstick, urine microscopy ... Glomerulonephritis / Vasculits: ANCA ... , ANA, Anti-GBM, ... #Diagnosis #nephrology
Acute Kidney Injury (AKI) - Differential Diagnosis Framework
Pre-Renal:
 • Hypovolemia, Cardiorenal, Distributive Shock, HRS, Hypercalcemia, Renal
Diagnosis Framework ... Vasculitis • GN: ANCA ... , Anti-GBM, C3/C4 ... #Diagnosis #nephrology ... #causes #algorithm
Acute Kidney Injury (AKI) - Differential Diagnosis Framework

PRE-Renal AKI:
 • Hypovolemia
 • Congestion
 • Medications
 •
Injury (AKI) - Differential ... Diagnosis Framework ... • Glomerular: ANCA ... Immune-complex disease, Anti-GBM ... #Diagnosis #nephrology
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Summary Autoimmune ANCA ... Auto-antibodies: ANCA ... antibody, Anti-GBM ... usually low in anti-GBM ... Goodpasture's cause
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Causes of Acute ... Diagnosis Algorithm ... Glomerulonephritis • Anti-GBM ... polyangiitis /microscopic ... #KidneyInjury #Nephrology
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Causes of Proteinuria ... - Differential ... proliferative • Anti-GBM ... polyangiitis (GPA) / microscopic ... #Proteinuria #Nephrology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
pulmonary and renal ... ): • Microscopic ... tract, and often causes ... glomerulonephritis) • Anti-GBM ... • Urinalysis (Renal