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Preeclampsia: Lab abnormalities

  • Proteinuria of:
    • >300 mg/24 h (mild preeclampsia)
    • >5 g/24 h (severe preeclampsia)
    • Urine dipstick >1+
  • Protein/creatinine ratio >0.3
  • Serum uric acid >5.6 mg/dL
  • Serum creatinine >1.2 mg/dL
  • Low platelets/coagulopathy
  • Platelet count <100,000/mm3
  • Elevated PT or aPTT
  • Decreased fibrinogen
  • Increased d-dimer

HELLP syndrome – a variant of severe preeclampsia and defined by the following:

  • Hemolysis
  • Abnormal peripheral smear
  • Indirect bilirubin >1.2 mg/dL
  • Lactate dehydrogenase >600 U/L
  • Elevated Liver enzymes Serum AST >70 U/L
  • Low Platelets count <100,000/mm

Other References

  1. Keys to the Cart: January 30, 2017; A 5-minute video review of ABA Keywords Link