14 results
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
- Differential ... proliferative • Anti-GBM ... antibodies ... polyangiitis (GPA) / microscopic ... #Proteinuria #Nephrology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... Henoch-SchonIein Purpura Anti-GBM ... Limited to Kidney: Anti-GBM ... pulmonary involvement: Anti-GBM ... #rheumatology
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
Antineutrophil cytoplasmic antibodies ... Vasculitis: • Microscopic ... ANCA+ 90% • Anti-GBM ... Antineutrophil #antibodies ... #diagnosis #rheumatology
Glomerulonephritis - Differential Diagnosis Framework
ANCA:
 • C-ANCA: GPA (Wegener's)
 • P-ANCA: Microscopic Polyangiitis, Eosinophilic GPA (Churg
Diagnosis Framework ... Wegener's) • P-ANCA: Microscopic ... Churg Strauss) Anti-GBM ... #diagnosis #nephrology ... #causes
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
- Differential ... Diagnosis Algorithm ... wall) • Anti-GBM ... antibodies ... #Causes
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Diagnosis Algorithm ... Glomerulonephritis • Anti-GBM ... antibodies • ... polyangiitis /microscopic ... #KidneyInjury #Nephrology
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
symptomatology Differential ... Diagnosis for Pulmonary ... polyangiitis, Microscopic ... ab, anti-GBM ab ... #diagnosis #nephrology
Causes of Thrombocytopenia and Platelet Disorders - Differential Diagnosis and Workup
History:
 - Prior platelet count, family
Diagnosis and Workup ... antibodies, Quantitative ... When do you do a BM ... #Diagnosis #Causes ... #Workup #hematology
Acute Kidney Injury - AKI Workup Algorithm and Differential Diagnosis
Baseline Investigations: full blood count with differential,
Diagnosis Baseline ... dipstick, urine microscopy ... Vasculits: ANCA, ANA, Anti-GBM ... #Diagnosis #nephrology ... #causes
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
polyangiitis), MPA (microscopic ... EGPA) • Auto-antibodies ... ANCA antibody, Anti-GBM ... usually low in anti-GBM ... Goodpasture's cause