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Author Question: A 22-year-old pregnant woman presents to her OB/GYN for a prenatal checkup. The fetal heart-beat ... (Read 101 times)

robinn137

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on: Jun 25, 2018
A 22-year-old pregnant woman presents to her OB/GYN for a prenatal checkup. The fetal heart-beat sounds irregular, and a fetal echocardiogram reveals an atrioventricular canal (AVC) defect. This defect is the result of:
 
  a. failure of the ductus arteriosus to close.
  b. incomple fusion of the endocardial cush-ions.
  c. a patent foramen ovale.
  d. a right-to-left shunt.

Question 2

An 8-week-old infant's well-baby check reveals a murmur, and an echocardiogram shows a large ventricular septal defect. If left untreated, what condition could develop?
 
  a. Pulmonary hypertension
  b. Cyanosis
  c. Dysrhythmias
  d. Valve damage


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meryzewe

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Reply #1 on: Jun 25, 2018
Answer to Question 1

ANS: B
AVC defect is the result of incomplete fusion of endocardial cushions. A patent ductus is the failure of the ductus arteriosus to close. The infant will not experience a patent foramen ovale. Flow is generally left to right, not right to left.

Answer to Question 2

ANS: A
If the degree of shunting is significant and not corrected, the child is at risk for developing pul-monary hypertension. Cyanosis is not present at first if the shift is left to right. Dysrhythmias do not occur. The defect does not lead to valve damage.


robinn137

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Reply 2 on: Jun 25, 2018
YES! Correct, THANKS for helping me on my review

tkempin

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Reply 3 on: Yesterday
:D TYSM

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