CVS changes in pregnancy

Critical periods of Cardiovascular changes in pregnancy are

• Changes start from 6wks, max changes around 30wks, Intrapartum period, Just after delivery, 3nd wk of puerperium

• Changes start from 6wks, max changes around 32wks, Intrapartum period, Just after delivery, 3nd wk of puerperium

• Changes start from 8wks, max changes around 30wks, Intrapartum period, Just after delivery, 3nd wk of puerperium

• Changes start from 6wks, max changes around 30wks, Intrapartum period, Just after delivery, 2nd wk of puerperium

Up to % of pregnancies may have CV complications despite no known prior disease

• 4%

• 5%

• 6%

• 8%

During pregnancy, Cardiac output increases by

• 20-40%

• 30-50%

• 10-30%

• 40-60%

Heart rate during pregnancy is about

• 12-15 bpm

• 10-15bpm

• 10-12bpm

• 13-15bpm

During the ------ trimester, cardiac output is further influenced by --------

• Second, body position

• Second, respiratory rate

• Third, respiratory rate

• Third, body position

Which one of these statements is the most correct

• Stroke volume increases in the first and second trimester and decreases in the third trimester.

• Stroke volume decreases in the first and second trimester and decreases in the third trimester.

• Stroke volume increases in the first and third trimester and decreases in the second trimester.

• Stroke volume increases in the first, second trimester and third trimester.

Pick one

• In postpartum, delivery of the placenta increases afterload by removing the low resistance circulation and increases preload by returning placental blood to maternal circulation

• In postpartum, delivery of the placenta increases preload by removing the high resistance circulation and increases afterload by returning placental blood to maternal circulation

• In postpartum, delivery of the placenta increases preload by removing the low resistance circulation and increases afterload by returning placental blood to maternal circulation

• In postpartum, delivery of the placenta increases afterload by removing the high resistance circulation and increases preload by returning placental blood to maternal circulation