preeclampsia
Pregnancy-specific hypertensive disorder characterized by high blood pressure and proteinuria after 20 weeks gestation.
Full Definition
A multisystem pregnancy disorder typically occurring after 20 weeks of gestation, characterized by new-onset hypertension (≥140/90 mmHg) and either proteinuria or other maternal organ dysfunction. Features may include thrombocytopenia, elevated liver enzymes, pulmonary edema, cerebral symptoms, or impaired kidney function. Severe features include blood pressure ≥160/110 mmHg, severe proteinuria, or evidence of end-organ damage. Risk factors include nulliparity, multiple pregnancy, chronic hypertension, and autoimmune conditions. Management ranges from close monitoring to immediate delivery depending on severity and gestational age.
Usage
Usage note: Specify severity and features present when documenting diagnosis.
In Context
- "Mild preeclampsia was diagnosed at 34 weeks with blood pressure 145/95 and 1+ proteinuria." — High-risk pregnancy assessment
- "Severe preeclampsia with features warranted immediate delivery despite prematurity." — Labor and delivery admission note