Question

An 18 mo old child is noted to assume
a squatting position frequently during
playtime at the daycare center. The
mother also notices occasional
episodes of perioral cyanosis during
some of these squatting periods. The
day of admission, the child becomes
restless, hyperpneic, and deeply
cyanotic. Within 10 min, the child
becomes unresponsive. The most likely
underlying lesion is:​

Answer 1

A. Cardiomyopathy

B. Anomalous coronary artery

C. Tetralogy of Fallot Explanation: The child described has tetralogy of Fallot with exercise-induced cyanosis. The more serious episode is a cyanotic, blue, or "tet" spell and may be due to decreased systemic vascular resistance, increased pulmonary artery pressure, or right ventricular outflow tract obstruction. The murmur of tetralogy ( the pulmonary stenosis) often disappears or lessens during a spell.

D. Constipation

E. Breath-holding spell

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Answer 2

Answer:

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