TO OUR knowledge there is no report in the English literature of attacks of apnea and cyanosis occurring with pyloric stenosis; consequently, we report the following case of this association in an infant.
REPORT OF CASE
A full term boy, weighing 7 pounds 8 ounces (3,402 Gm.), began to regurgitate and vomit shortly after birth. Mild regurgitation occurred after each feeding and vomiting about once in every 36 hours. There was sufficient absorption of nutriment, however, for maintenance. On the sixteenth day a period of sudden apnea accompanied with intense cyanosis occurred at the beginning of a feeding. Slapping the back with the infant in the inverted position restored the respiratory pattern. On the eighteenth day similar choking episodes accompanied with cyanosis occurred, with relief occurring again when the infant was turned upside down. On the twentieth day, while the infant was lying in his crib, about two hours after