What is the role lab testing in the workup of hypertensive disorders during pregnancy?

Updated: Jun 12, 2018
  • Author: Michael P Carson, MD; Chief Editor: Edward H Springel, MD, FACOG  more...
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Laboratory testing to evaluate chronic hypertension (if not done previously or recently) includes testing for target organ damage, potential secondary causes of hypertension, and other risk factors.

Blood tests to order when evaluating eclampsia include those suggested to evaluate for preeclampsia. Such studies include: urinalysis; complete blood cell (CBC) count; and serum sodium, potassium, creatinine, and glucose levels (the presence of high levels of progesterone, an aldosterone antagonist, during a normal pregnancy may mask the hypokalemia from hyperaldosteronism).

Other suggested tests include measurements of creatinine clearance, blood urea nitrogen (BUN), albumin, 24-hour urinary protein, serum calcium, uric acid, glycosylated hemoglobin, thyroid-stimulating hormone (TSH), liver enzymes and bilirubin, and a urine dip for protein.

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