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Physiological Changes in Pregnancy

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You are called in to evaluate the heart of a 19-year old primigravida at term. Listening carefully to the heart, you determine that there is a normal S2, S3 easily audible with a 2/6 systolic ejection murmur greater during inspiration, you immediately recognize that (DNB Dec 2011)



A The presence of S3 is abnormal

B The systolic ejection murmur is unusual in a pregnant woman at term

C Wide pulse pressure is rare in pregnant women

D All findings recorded are normal changes in pregnancy

Ans. D

All findings recorded are normal changes in pregnancy

a. Numerous changes occur in the cardiovascular system during pregnancy.

b. Heart rate increases by about 10 to 15/mm. Blood volume and cardiac output increase significantly Many cardiac sounds that would be abnormal in a nonpregnant state are normal during pregnancy.

c. All the findings listed in the question are normal. Ninety percent of pregnant women have systolic ejection murmurs. In approximately 20% of women, a soft diastolic murmur can be heard.

Physiological Changes in Pregnancy Flashcard List

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