do you need to fast for a thyroid test

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Do you need to fast for thyroid antibodies test?

Thyroid antibodies

Blood
NO . Fasting is not necessary for thyroid tests of any kind. You only need to fast for tests affected by your blood glucose-related hormones, like your blood sugar test and your lipid profile ; even the lipid profile can be done non- fasting, some experts say nowadays.
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Dr. Alan Feldman answered:

Do you need to fast before getting a thyroid n cvc test?

No

Thyroid_gland
You do not need to fast for a thyroid blood test. I don't know what you mean by "cvc" test. Do you mean a "CBC", which is a complete blood count. You don't need to fast for that either.
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Do I need to fast for thyroid test?

Iodine

Open-uri20131031-22156-1lpl5ik
Some institutions may ask you to fast after midnight the night before thyroid scan. You should avoid eating foods which contain high iodine content before the scan. Again, different places may ask you to perform these dietary for different amounts of time. Check with the site performing your scan.
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Dr. Anne M. Larson answered:

Do I have to fast before a liver function test and thyroid test?

Neither

Inflammation_of_the_thyroid
You do not need to fast for the liver function tests. For the TSH, fasting is not generally needed, although there may be some variation in this tests between fasted and fed individuals. For more specialized tests (T3, T4, etc.), patients taking replacement treatment need to be aware of when they took the medication in relation to the test (it may be more elevated closer to the dose).
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Dr. Mathew Chengot answered:

What does asymptomatic sinus tachycardia mean? My thyroid test is normal.i feel nervous,fast heartbeat,palpitations.dizzy.

Meds

Asymptomatic
Trial of beta blockers would be advisable see your cardiologist to discuss
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Ecg results asymptomatic tachycardia, thyroid test is normal. I still feel nervous, anxious and fast heart rate. Pls advise?

Not asymptomatic

Supraventricular_tachycardia
By definition, your tachycardia is not "asymptomatic" since you're experiencing symptoms. Are you using any medications or recreational drugs? If using caffeine at all, please stop & see whether this helps. Anxiety can cause tachycardia -- but have you had a cardiology consult? I would, in your case. You may also need a psychiatrist consult for the ongoing anxiety.
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Normal echo..stress test normal..thyroid test normal..blood work good..cardiac enyzmes good..ekg shows normal heartbeat..dr said its just fast..good?

How fast?

Falling_backwards
Heart rates between 60 to 100 are considered normal for most adults. Some normal adults fall outside this range but not too much.
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Dr. Dragos Luca answered:

Do you need to test free T4 for an accurate thyroid test,Or is tsh enough?

Yes

Thyroid
TSH is a very good screening test for thyroid function but it's not produced by the thyroid. If your TSH is low you probably have hyperthyroidism (overactive thyroid), if it's high you probably have hypothyroidism (low thyroid function); however, other mechanisms may account for abnormal TSH levels (abnormal pituitary function). Testing your thyroid hormone levels (T3, T4) is more complete.
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Dr. Emily Altman answered:

My body temperature is hot all the time . i have skin allergy too .should i go for a thyroid test ?

Body temperature

Thyroid_gland
If your temperature is elevated for a prolonged period of time, please see your doctor right away. It may be due to thyroid problems but there are many other reasons for having fever. You definitely need an evaluation.
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Dr. Pradeep Singh answered:

Do I need a thyroid test before or when I become pregnant?

Yes

Hypothyroidism
Hypothyroidism is very common cause of IUGR
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