Among the grave post-operative complications that may befall a surgical patient is hemorrhage from the mucosa of the stomach. The condition known as post-operative hematemesis does not include secondary hemorrhage from the stomach due to poor surgical technic or to gross pathologic lesions located within the stomach wall, or the vomiting of blood swallowed during operation. Post-operative hematemesis follows far more frequently on operations on the abdominal viscera, especially when the stomach, duodenum or bile passages are the organs operated on, though cases of fatal hematemesis have occurred after operations on the head, genito-urinary tract and extremities.
The hematemesis usually begins within twenty-four hours following the operation, though cases are recorded in which it occurred as late as the tenth day. The patient may or may not have suffered from ether or chloroform sickness, but whether he has or not, there is usually an