Preeclampsia: Lab abnormalities

Obstetric Anesthesia

  • 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:

  • H emolysis
  • Abnormal peripheral smear
  • Indirect bilirubin >1.2 mg/dL
  • Lactate dehydrogenase >600 U/L
  • E levated L iver enzymes Serum AST >70 U/L
  • L ow P latelets count <100,000/mm

98%

Answered correctly

2011

Year asked

78%

Answered correctly

2010

Year asked