A newborn experiences frequent periods of cyanosis, usually occurring during crying or after feeding. Which cardiac diagnosis does this history support?
a. Atrioventricular canal (AVC) defect
b. Ventricular septal defect (VSD)
c. Tetralogy of Fallot
d. Atrial septal defect (ASD)
ANS: C
Infants with tetralogy of Fallot experience cyanosis after crying or during feeding. Infants with AVC defect may experience cyanosis, but it is not related to feeding or crying. Infants do not experience cyanosis with either VSD or ASD.
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