The entrances of the diverticula were located in the lower esophagus, and the lower esophagus was sigmoid-shaped, and pooling of barium in the diverticulum, delayed passage into the stomach, and dilation of the esophagus were seen (Fig. 1a).
His breathing trouble, I suspected, was caused by intermittent aspiration of barium, food or whatever else.
Only a few tons of barium are produced each year.
A third test, a double-contrast barium enema, requires a more thorough bowel cleansing, followed by administration of barium and then air into the bowel, which is then examined by X-ray.
It was just the color of barium sulphate, and had a little lace bunched at the throat".
For example, if a solution of barium nitrate, Ba(NO3 2, is added to a solution of sodium sulfate, Na2SO4, a precipitation of barium sulfate, BaSO4, occurs.
When the mineral does not contain much barium, a certain quantity of barium salt is added in order to carry away the radium.
Almost 80 percent of world consumption of barium sulfate is in drilling muds for oil.
Moreover, she said, the pattern of barium contamination follows the pattern of natural tooth growth — something that would be very unlikely to happen by chance.
