Doctor insights on:
What Kind Of Test Is A Tsh
Is there a fifferences between testing a tsh, t3, (liothyronine) and t4? What kind of test is a tsh?
Thyroid tests: The TSH (thyroid simulating hormone) is the most important test of your thyroid function. It's the pituitary/brain signal to your thyroid to make more thyroid hormones t3 (liothyronine) (tri-iodothyronine) and T4 (thyroxine). Elevated TSH means low thyroid function. Unmeasurable/very low TSH means too active thyroid. T3 (liothyronine) is short acting. T4 (thyroxine) is longer lived, usually given for thyroid replacement. ...Read more
What kind of test I have to do to diagnostic a central hypothyroidism ? My TSH and ft3 are normal, but ft4 is low. Is that enought?
Pituitary tests: Central hypothyroidism is very rare, and typically occurs in association with other problems of the pituitary gland. You should have testing of other pituitary function (prolactin, lh, fsh, igf-1, estradiol, cortisol). You may need to see an endocrinologist for a proper diagnosis. ...Read more
I am female with high cholesterol, type II diabetes, and take .75 mcg of levothyroxine. My TSH test came back 2.9. Is 2.9 high with new range?
Tsh 2.9 normal: Best to also check free t4.Get a more detailed answer ›
I'm online now. Type your question here. Son-in-law experienced a siezure a week ago, no history of siezure. Blood tests reveal TSH level below .006?
Seizure: Hopefully he is seeing a doctor regarding the seizure. The TSH level is very low and most likely reflects very high thyroid levels (T4 and T3). These might be contributing to the seizure. At the very least the thyroid levels need measurement followed by necessary care. ...Read moreSee 1 more doctor answer
What is the reason of low body temperature. How i can treat it, what type of blood test to do, my tsh, t3, (liothyronine) T4 results are normal.
It depends: Upon how low your body temperature is. It's probably normal, but check w/your doctor. If thyroid levels are normal, it's not your thyroid. Make sure you are receiving brand name T4 replacement, as the generics are unreliable. ...Read more
Yes: Will probably need brand name T4 replacement lifelong. Check with your doctor. ...Read more
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