You detect a "bounding" peripheral pulse on a newborn infant. Based on this finding, what should you suspect?
a. Patent ductus arteriosus
b. Peripheral vasoconstriction
c. Coarctation of the aorta
d. Peripheral vasodilation
ANS: A
Bounding peripheral pulses occur with major left-to-right shunting through a patent ductus arte-riosus.
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