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Oliguria

  • Criteria

    • adults: < 400 mL/day or 0.3 mL/kg/hr
    • children: < 0.5 mL/kg/hr
    • infant: < 1 mL/kg/hr
  • Prerenal ddx (FENa < 1)

    • hypovolemia, hypotension, shock, DIC, CHF
  • Renal ddx (proteinuria)

    • glomerulonephritis, vasculitis, interstitial nephritis (NSAIDs, nafcillin, pyelonephritis), ATN (aminoglycosides, prolonged ischemia)
  • Postrenal ddx (hydronephrosis)

    • obstruction, tumor, BPH, PUV, catheter kink
  • Labs

    • Chem, creatinine
    • UA with sediment microscopy
    • FENa
    • renal ultrasound
  • HPI

    • onset
    • triggering events
    • quality: empty vs full bladder. Obstruction vs hurts to urinate vs not producing urine
    • quantity: when is last urine production, how frequent
  • ROS

    • fever, weight loss
    • rash
    • cardio
    • pulm
    • GI: nausea, vomiting, diarrhea, abdominal pain
    • GU: flank pain, hematuria, bladder fullness, cathetor usage
  • PMH

    • recent hospitalization
    • recent shock, ischemia
    • cancer
    • CHF
  • FH

  • SH

    • smoking hx
  • Meds

    • NSAIDs
    • aminoglycosides
  • Allergies

  • Px

    • vitals
    • gen impression
    • skin: rash
    • periorbital edema
    • cardio
    • pulm
    • abd: tenderness, mass, bladder fullness
    • renal: CVA tenderness
    • ext: peripheral edema

  • Print | Citations

    Disclaimer: MDHero Workups is for educational use only, and is not meant to replace the clinical judgement of a professional. We do not guarantee the accuracy of any information on this website.