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Test Findings
 
 

Proteinuria

 
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Overview

  • Urine does not normally contain protein, as the glomerular filter is too small to allow for filtration of protein.
  • Protein found in the urine may be albumin or globulins. The dipstick protein test is sensitive for albumin, and less so for globulins.
    • Causes of Proteinuria

    • Glomerular - Primary

    • Minimal change disease
    • Membranous nephropathy
    • Focal segmental glomerulosclerosis
    • Glomerular - Secondary

    • Lupus nephritis
    • Diabetic Nephropathy
    • Pre-eclampsia
    • Post-infectious glomerulonephritis
    • Amyloidosis
    • Infections - HBV, HCV, HIV, syphilis, malaria
    • Drugs - gold, NSAIDs, heroin, lithium
    • Malignancy - lung, gastric, colorectal, leukaemia, lymphoma
    • Tubular

    • Acute tubular necrosis
    • Tubulointerstitial nephritis
    • Fanconi syndrome
    • Overflow

    • Multiple myeloma
    • Rhabdomyolysis
    • Heart failure
    • Intense exercise
    • Fever
    • Other

    • Orthostatic proteinuria
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