Harrison's Practice

Hematuria

Definition

  • ≥3 erythrocytes per high-power microscopic field in centrifuged urinary sediment from 2 of 3 properly collected urine specimens
  • Microscopic hematuria
    • Not visible to the naked eye, but detectable by urine dipstick analysis
    • May be caused by an abnormality at any level of the urinary tract
  • Macroscopic or gross hematuria
    • Refers to the presence of frank blood in the urine
    • More characteristic of lower urinary tract disease and/or bleeding diatheses than intrinsic renal disease
      • Cyst rupture in polycystic kidney disease and flares of immunoglobulin A nephropathy are exceptions.

Hematuria has been found in Harrison's Practice

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