As you know from this article a normal TSH range depending on the lab is around 0.5 to 5.0 which is why your TSH of 4.46 was determined normal, however the very fact that your first TSH test showed up 6.49 should be reason to investigate further.
Liver Ultrasound Preparation guidelines. 1  Do not drink or eat at least 6 hours before the test. 2  On the day before the test, do not eat â fresh fruits and vegetables, fried and oily food, milk, eggs, bread. 3  What you should eat â cooked vegetables, puree, marmalade, honey, roasted bread, soup, and rice.
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.