REPORT OF CASE
History.
—A white man, aged 36, was recently presented for diagnosis exhibiting marked cyanosis, associated with pallor, which gave him a peculiar leaden aspect. Respiration was not augmented to the degree ordinarily seen with a similar degree of cyanosis when due to deficient aeration of blood. At the age of 21, the patient had experienced "stomach trouble," manifested by pain after eating, which began at the left anterior costal margin, associated with abdominal distention and belching. The condition lasted for from one to two hours. At times vomiting occurred, which gave immediate relief. The symptoms were always accompanied by severe frontal and occipital headaches. The condition grew worse, and numerous kinds of medication were tried. The patient began taking bromoseltzer in 1911, about 5 ounces every three or four days. The headaches ceased, but the other symptoms persisted.In 1912, the bromoseltzer was discontinued, but he began