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.
Learn about the barium swallow exam: who will perform it, where it will be performed, and how long it will take. Home care: You may be asked to eat a low-fiber diet for 2 to 3 days before the barium swallow test. You will be asked not to eat or smoke after midnight before the exam.