Preeclampsia, eclampsia and HELLP criteria, magnesium sulfate, gestational diabetes screening, thyroid, cardiac and renal disease in pregnancy.
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- What blood pressure defines gestational hypertension?
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Systolic BP >=140 mmHg or diastolic BP >=90 mmHg, first appearing after 20 weeks, without proteinuria or other severe features- How is chronic hypertension in pregnancy defined?
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Hypertension present before pregnancy or diagnosed before 20 weeks gestation- What BP values are diagnostic of preeclampsia?
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Systolic BP >=140 mmHg or diastolic BP >=90 mmHg on two occasions at least 4 hours apart after 20 weeks gestation- What level of proteinuria supports a diagnosis of preeclampsia?
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>=300 mg protein in a 24-hour urine collection, or a protein/creatinine ratio >=0.3- Can preeclampsia be diagnosed in the absence of proteinuria?
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Yes, if new hypertension is accompanied by thrombocytopenia, renal insufficiency, impaired liver function, pulmonary edema, or new cerebral/visual symptoms- What BP threshold defines the severe range in preeclampsia with severe features?
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Systolic BP >=160 mmHg or diastolic BP >=110 mmHg- What platelet count indicates thrombocytopenia as a severe feature of preeclampsia?
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Platelet count less than 100,000/microliter- What liver finding counts as a severe feature of preeclampsia?
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Liver transaminases elevated to at least twice the normal concentration- What renal finding counts as a severe feature of preeclampsia?
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Serum creatinine greater than 1.1 mg/dL or a doubling of baseline creatinine in the absence of other renal disease- What pulmonary finding counts as a severe feature of preeclampsia?
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Pulmonary edema- What neurologic symptoms count as severe features of preeclampsia?
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New-onset headache unresponsive to medication, or visual disturbances- How is eclampsia defined?
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New-onset generalized tonic-clonic seizures in a woman with preeclampsia, not attributable to another cause- Having preeclampsia in a prior pregnancy affects what in a current pregnancy?
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It is a major risk factor for developing preeclampsia again- How does carrying twins affect preeclampsia risk?
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Multifetal gestation increases the risk of developing preeclampsia- When should low-dose aspirin be started to prevent preeclampsia in high-risk women?
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Between 12 and 28 weeks gestation, ideally before 16 weeks, and continued daily until delivery
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