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.
Can I eat and drink before a computerized tomography (CT) scan? Topics | Tests and Procedures | Diagnostic Imaging | CT Scan | Can I eat and drink before a computerized tomography (CT) scan? Please do not eat solid foods for four hours prior to your computerized tomography (CT) appointment. You may drink clear liquids (black coffee/tea, broth, water, or juice) prior to your CT scan.