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Hi there, I’m new here, but I might have something for you:
It’s a combo. If TSH is high it indicated hypothy. If T3 is high it indicates hyperthy. Sounds like you might be hypothyroid or something similar.
Hope that helps,
Hypermich
A low TSH and high T4/T3 means that you are hyper. A high TSH and low T4/T3 means that you are hypo.
T4 is Thyroxine and this is converted, mainly in the liver, to T3 which is Triidothyronine. The T3 controls the body’s metabolism. Too much T3 and your body goes into ‘overdrive’ and becomes hyperthyroid. Too little and you slow down and become hypothyroid.
The Hypothalamus tells the Pituitary gland to send out Thyroid Stimulating Hormone (TSH) when there is not enough T4 and T3 in the blood. This TSH stimulates the thyroid gland into producing more T4 and T3. When there is too much T4 and T3 in the blood the Pituitary gland slows or stops its production of TSH and the thyroid gland is no longer stimulated to produce T4 and T3.
BJV, a combination of the test results is used to determine hypo/hyper, though in most cases the TSH alone would be sufficient for that purpose.
The TSH gets higher as your T4 and T3 fall, so a high TSH indicates that you’re hypo. Since your thyroid can’t produce much hormone because it’s been destroyed, the rising TSH (Thyroid Stimulating Hormone) doesn’t produce any results and must rise higher in its pointless attempts to stimulate your thyroid. (When you’re hyper, the TSH falls in order to stop signaling your thyroid to produce.)
Your TSH of 67.25 indicates hypothyroidism, and your T4 level that’s way below the normal range you gave supports it. Your T3 is in the low part of your lab’s normal range, but it may be too low for you–and if you continued without hormone replacement therapy, it would drop out of the normal range soon and you’d probably feel worse all the time.
I hope that was what you were asking.
Dianne W
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