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.
Before the Barium Swallow. 1  Do not eat or drink anything after midnight on the day before the test. 2  You are usually required to wear a hospital gown. 3  You should not smoke after midnight on the day of the test. 4  You will be instructed to remove any metallic objects, such as jewelry, dentures, or hairpins, before the test begins.