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Doctor insights on: What Kind Of Test Is A Tsh

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Dr. Quang Nguyen
938 doctors shared insights

Thyroid Stimulating Hormone (Definition)

A TSH test measures the amount of thyroid stimulating hormone (TSH) in your blood. TSH is produced by the pituitary gland and tells the thyroid gland to make and release the hormones thyroxine ...Read more


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Is there a fifferences between testing a tsh, t3, (liothyronine) and t4? 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

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What is the normal range of test results for a thyroid test?

What is the normal range of test results for a thyroid test?

Thyroid tests: Thyroid laboratory data is performed at many different medical centers and there are often differences in the technology and the results produced. When you have blood work done on your thyroid levels you should also receive the reference data for the three or four thyroid labs that have been done. Your doctor should have that data to share with you. ...Read more

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What is the normal range of test results for a thyroid test?

What is the normal range of test results for a thyroid test?

Holy cow!: C'mon, you're being silly! WHICH thyroid test? Please don't ask us to do guesswork? Also, if you ask the doctor for a copy of the lab results, all labs list the normal range. But please, we're not here to guess, and nor would you want us to! DATA...that's what we work with! ...Read more

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What is the meaniing of having a psa test of 4.1?

What is the meaniing of having a psa test of 4.1?

Probably OK, but....: Isolated solitary psa at 4.1 ng/ml is okay for age. But, its realistic significance has to be correlated with serial psa change over time, hx, and the findings of dre. So, see doc in expertise timely. More on psa/prostate cancer? Go to http://www.Formefirst.Com/freeinfoprostate.Html. ...Read more

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What is a neuropsychological test and what does it measure?

What is a neuropsychological test and what does it measure?

Depends: As noted there are many different tests and these are usually combined in a "battery" that attempt not only to measure the degree and severity of brain abnormalities, but also try to predict how individuals will function given the injuries, deficits, or degrees of decline. The tests are also used to track the progression of a disease, and plan rehabilitation treatments and programs. ...Read more

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What is a pulmonary stress test and what would it indicate?

What is a pulmonary stress test and what would it indicate?

Complex study: A pulm stress test or cpx is a very thorough study were the performance of the lung (function) is being measure while at work (exercise). But also ther cardiac function & its interaction with the resp system are measure in a very exact way. Full pulmonary function parameters are measure & a total oxygen capacity seen at its perfect application. Done in athletes & patients as well. Very exact stud. ...Read more

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What kind of conditions does a hemoglobin test detect?

What kind of conditions does a hemoglobin test detect?

Anemia: A hemoglobin test measures if you are anemic or not, i.e. If you have enough red blood cells in your circulatory system. Anemic people have low hemoglobin levels. ...Read more

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What is a qsart test and what is it used for?

What is a qsart test and what is it used for?

Autonomic nerv syst: The qsart test is used in neurology to measure the nerves that control sweating. It is helping in determining if there are any abnormalities with the autonomic nervous system (i.e. Heart, bp, GI tract). It is also useful in determining a problem with the small nerve fibers, which can be abnormal in disorders such as complex regional pain syndrome. ...Read more

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What kind of test to check for herpes? And how accurate it is? What are the consequences of a positive herpes?

What kind of test to check  for herpes? And how accurate it is? What are the consequences of a positive herpes?

Two test types: There's an antibody test for herpes (hsv-2 igg), but it only tells you whether you have herpes in your body; it doesn't tell you whether a skin or genital lesion is due to herpes. For that you need a viral culture or pcr from a fresh lesion. We generally treat based on symptoms, not based on antibody status, so the antibody test is not widely used. ...Read more

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Please explain what a high level of GFR is in a blood test. ?

Please explain what a high level of GFR is in a blood test.  ?

Ignore it: The "gfr" given on lab sheets these days is a subscientific estimate of the rate at which water passes from blood into the the filtrate that will become urine. For a healthy person, the "gfr estimate" is not helpful. It ignores variability in body musculature, how much protein you have eaten recently, and other factors. ...Read more

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What sort of disorder is a false pregnancy?

What sort of disorder is a false pregnancy?

Phantom HCG: Besides the psychological disorder where women feel pregnant but they are not, there is also an interesting phenomenon where women test positive for pregnancy by blood, but are actually not pregnant. This is due to antibodies that give false positive blood tests. In these women urine pregnancy tests should remain negative. ...Read more

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Please explain what happens if the results of a electrocardiogram test is bad?

Please explain what happens if the results of a electrocardiogram test is bad?

ECG: The ECG has various kinds of abnormalities. What is appropriate depends on what is wrong in the ecg. Actions might range from doing nothing all the way to cardiac catheterization or other steps in between. ...Read more

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What is the normal result of a sugar test ?

What is the normal result of a sugar test ?

Ask your doctor: There is so may variations as to what it should be, based on all your conditions. It would be very hard to tell you through this medium. I advise you to talk to your doctor. ...Read more

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What is the name of a treadmill-less heart test?

What is the name of a treadmill-less heart test?

Pharmacological: Pharmacological or chemical stress test ("myocardial perfusion imaging"). Often Lexiscan is the drug that's used so some people also call it a "Lexiscan Stress test". ...Read more

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What is a pulmonary function test and what is the procedure for it?

What is a pulmonary function test and what is the procedure for it?

Checks lung function: Pfts check numerous areas of lung capacity, flow rates, etc. And are useful in treating/diagnosing emphysema, copd, restrictive ariway diseases, asthma, and understanding lung capabilites prior to surgery. This would be common in smokers, elderly, or in patients with lung diseases like cystic fibrosis. Pfts are easy and done in a lab or pulmonary specialist's facility. ...Read more

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What is sgpt and this test is for what? What is the maximum of a phenobarbital for the age of 1yr and 6months? Why they need an assay and sgpt?

What is sgpt and this test is for what? What is the maximum of a phenobarbital for the age of 1yr and 6months? Why they need an assay and sgpt?

Liver: Sgpt is a measure of enzymes that come from the liver or muscle and this test can detect whether the liver is being injured or not by drugs such as phenobarbital. An assay is justba general term for any type of test. The dose of pheno depends on the weight of a child, not the age, and generally the max dose is around 8mg per kilogram per day. ...Read more