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.
How do I prepare for a pelvic ultrasound? EAT/DRINK: Drink a minimum of 24 ounces of clear fluid at least one hour before your appointment. Do not empty your bladder until after the exam. Generally, no fasting or sedation is required for a pelvic ultrasound, unless the ultrasound is part of another procedure that requires anesthesia.