(Tibbetts, 2006) In 1970 after three years of study on the conditions, locations, and weather of the area it was decided by the Mexican government and other private investors and a computer to be the perfect location for a tourism center.
Before the test. 1  Avoid all products that contain caffeine for 24 hours before the test. In general, caffeine is found in coffee, tea, colas and other soft drinks, most chocolate products, as well as strawberries (these contain a small amount of caffeine), as caffeine will interfere with the results of the test.
Pregnant women should not undergo this test because exposure to ionizing radiation may harm the fetus. Individuals with a poor swallowing reflex may inadvertently aspirate barium into their lungs. Your swallowing reflex may be assessed before the test. Before the Barium Swallow. Do not eat or drink anything after midnight on the day before the test.