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PROTEINURIA |
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renal disease: |
glomerulonephritis [various causes; commonest is diabetes mellitus]urinary tract infection obstructive nephropathy [orthostatic proteinuria; early morning urine normal]renal vein thrombosis (+ haematuria + loin pain)chronic interstitial nephritis, eg. analgesic nephropathy [>3g / 24 hours; mainly albumin]tubular disease [tubular proteinuria; very rare; proteinuria is mainly globulins]:Fanconi syndrome recovery phase of acute tubular necrosis heavy metal poisoning cystinosis |
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extra-renal causes: |
congestive heart failure constrictive pericarditis postural (orthostatic) proteinuria transient in febrile illnesses following heavy exercise pregnancy multiple myeloma (Bence-Jones proteins; pass through normal glomeruli) |
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