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Definitions: Hypertensive Disorders of Pregnancy (HDP)
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HTN in pregnancy: SBP ≥140 mmHg and/or DBP ≥90 mmHg (avg of ≥2 measurements @ least 15 mins apart in same arm)
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Resistant HTN: need for 3 antihypertensives for BP control @ ≥20 wks gest
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Severe HTN: SBP ≥160 mmHg or DBP ≥110 mmHg
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Significant proteinuria: ≥0.3 g/d (24 hr collection) or ≥20 mg/mmol (random urine)
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Suspect if dipstick ≥1+ protein
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HELLP syndrome
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Hemolysis
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Elevated Liver enzymes
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Low Platelets
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Adverse condition: increases risk of severe complications (see table)
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Serious complication: warrants delivery (see table)
Adapted from SOGC Clinical Practice Guideline. Diagnosis, Evaluation, and Management of the Hypertensive Disorders of Pregnancy: Executive Summary. J Obstet Gynaecol Can 2014;36(5):416–438
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