Questions and Answers
Which of the following is a classification of hypertensive disorders in pregnancy?
Chronic hypertension
What percentage of all pregnancies are affected by hypertensive disorders?
7-10%
What is the blood pressure threshold for hypertension in pregnancy?
140/90
When does chronic hypertension occur in pregnancy?
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What is the most common type of hypertensive disorder in pregnancy?
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Study Notes
Hypertensive Disorders in Pregnancy
- Hypertensive disorders of pregnancy affect 7-10% of all pregnancies, with 70% being preeclampsia and 30% chronic hypertension.
- Maternal deaths are caused by hypertension in 20% of cases and preeclampsia in 10%.
- Hypertension is defined as a blood pressure reading of 140/90 or higher, with at least two readings taken at least 4 hours apart.
- Patients should be comfortable and not in distress during blood pressure measurement.
- Mild hypertension is defined as a blood pressure reading of 140/90 or higher.
- Severe hypertension is defined as a blood pressure reading of 160/110 or higher.
- There are four classifications of hypertensive disorders in pregnancy: chronic hypertension, gestational hypertension, preeclampsia and eclampsia, and superimposed preeclampsia.
- Chronic hypertension can be defined as preexisting hypertension before pregnancy, hypertension developing before 20 weeks gestational age, or hypertension developing after 20 weeks gestational age and continuing for 12 weeks postpartum.
- The causes of chronic hypertension can be primary essential or secondary due to renal diseases, vascular diseases, or collagen disorders.
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