19: Hypertensive Disorders in Pregnancy Flashcards
Chronic hypertension
Present before or recognized during first half of pregnancy
Gestational hypertension
Recognized after 20 weeks gestation
Preeclampsia
Occurs after 20 weeks gestation and coexists with proteinuria
Eclampsia
New onset seizure activity associated with preeclampsia
Superimposed preeclampsia/eclampsia
Transposed onto chronic hypertension
Treatment of mild chronic hypertension
Initiate antihypertensive, antepartum fetal monitoring, delivery between 39-40 weeks gestation
Treatment of severe chronic hypertension
Antihypertensive therapy (methyldopa, labetalol, nifedipine) - NO ACE INHIBITORS; antepartum fetal surveillance; delivery after 38 weeks gestation
Diagnosing factors and symptoms in preeclampsia
Diagnosis: HTN, proteinuria, edema
Sx: scotoma, blurred vision, RUQ pain, HA
Mild preeclampsia
BP greater than 140/90 but less than 160/110
Proteinuria > 300 mg/24 hour urine but less than 5 gms/24 hour urine; protein:creatinine ratio of 0.3 mg/dL
Severe preeclampsia
BP greater than 160/110; proteinuria of at least 5 gm/24 hour or 3+ protein on 2 random urine dips
Magnesium sulfate
IV administration for severe preeclampsia. Loading dose 4 gm bolus, maintenance does 2 gm/hr
Therapeutic value 5-9 mg/dL
Treatment of eclampsia
Protect airway, Magnesium sulfate is 1st line tx
HELLP syndrome
Complicates some severely preeclamptic patients and 50% eclamptic patients