A baby born at 34 weeks with a heart murmur is kept in the incubator for almost 4 weeks. There is no murmur at discharge. What is the most likely caus

[Kathryn]

#february2020mccqe1

A baby born at 34 weeks with a heart murmur is kept in the incubator for almost 4 weeks. There is no murmur at discharge. What is the most likely cause of this murmur?
(A) PDA
(B) TOF
(C) Aneurysm of sinus of Valsalva
(D) Aorto-pulmonary septal defect
(E) AVM