History |
Non-black ethnicity |
Nephrotoxic drugs taken recently |
Recent acute sepsis, hypotension (acute tubular necrosis) |
Renal colic (obstructive uropathy) |
Haematuria (other types of glomerulonephritis) |
Myoglobinuria, myalgia (rhabdomyolisis) |
Examination |
Acute sepsis/hypotension (ATN) |
Investigations |
Haematuria/myoglobunuria (non-HIVAN glomerulonephritis) |
Fragmented blood red cells/thrombocytopenia (haemolytic uraemic syndrome) |
Antinuclear antibody/serum complement (lupus nephritis) |
Serological tests for hepatitis B and C (membranoproliferative glomerulonephritis) |
Protein electrophoresis and cryoglobulins (non-HIVAN glomerulonephritis) |
Dilated urinary collecting system on ultrasound/IVU (obstructive uropathy) |