An Infant Has a Continuous Machine-Type Murmur Best Heard at the Left

Multiple Choice

An infant has a continuous machine-type murmur best heard at the left upper sternal border throughout systole and diastole,as well as a bounding pulse and a thrill on palpation.These clinical findings are consistent with which congenital heart defect?

A) Atrial septal defect (ASD)
B) Ventricular septal defect (VSD)
C) Patent ductus arteriosus (PDA)
D) Atrioventricular canal (AVC) defect