interpreting labs for thyroid

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Does anyone know how to read labs for thyroid. For example: If a person is DX with hypothyroidism, will the T3, T4 come back low. And the TSH come back high. My understanding is the body is sensing low thyroid so produces more TSH. But the body is not converting enough of T3 and T4.

Thank you for any response

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Specializes in Specializes in L/D, newborn, GYN, LTC, Dialysis.

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Specializes in Specializes in L/D, newborn, GYN, LTC, Dialysis.

Moved to General Nursing Forum--anyone care to jump in?

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Specializes in Surgery, ICU, Emergency Care, NP.

Overt hypothyroid the TSH is high and T4 will be low, if it is subclinical TSH is high and T4 is normal. Secondary Hypothyroid (pituitary or hypothalmic disease) TSH is low or low-normal and T4 is low.

More info can be found at

www.prodigy.nhs.uk/guidance.asp?gt=Hypothroidism there is also very good information on www.endocrineweb.com

hope this helps

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