Which of the following is the most likely congenital heart defect? - ProProfs Discuss
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Which of the following is the most likely congenital heart defect?
A newborn African American male baby was observed at birth to be noncyanotic. The mother was known to have been infected with rubella during the pregnancy. On examination, the patient is found to have a continuous murmur that is present in both systole and diastole. A non-steroidal anti-inflammatory drug was prescribed, and on follow-up, the murmur was found to have disappeared.



A. Transposition of great arteries
B. Patent ductus arteriosus
C. Patent truncus arteriosus
D. Coarctation of the aorta
Asked by Olivia, Last updated: May 03, 2020

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John Smith

John Smith

Answered Sep 09, 2016

Patent ductus arteriosus-patent ductus arteriosus (pda)a. failure of ductus arteriosus to close; associated with congenital rubellab. results in left-to-right shunt between the aorta and the pulmonary artery1. during development, the ductus arteriosus nonnally shunts blood from thepulmonary artery to the aorta, bypassing the lungs.c. asymptomatic at birth with holosystolic machine-like murmur; may lead toeisenmenger syndrome, resulting in lower extremity cyanosisd. treatment involves indomethacin, which decreases pge, resulting in pda closure(pg£ maintains patency of the ductus arteriosus).
 

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