Recently, a most unusual and at first perplexing intrathoracic condition was discovered in a
new-born infant, which we considered of sufficient rarity and interest to justify reporting.
REPORT OF CASE B., a boy, was born Oct. 2, 1924, weighing 3,250 Gm. The delivery was
entirely normal and respiration started promptly and the baby appeared to be perfectly well
until the fourth day after birth. At this time he suddenly became quite cyanotic and had great
difficulty with respiration. One grain of caffein sodium benzoate was administered by …