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
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
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
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 moreSee 2 more doctor answers
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 moreSee 2 more doctor answers
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
What is the borderline concentration of methemphetamine from which it is considered a positive result for a drug test? what is the normal range if any
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
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
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 moreSee 1 more doctor answer
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 moreSee 2 more doctor answers
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
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
- Talk to a doctor live online for free
- What is a tsh blood test?
- What is tsh blood test for?
- What is tsh in a blood test?
- Ask a doctor a question free online
- Tsh 3rd gen test what is it
- What is tsh 3rd generation test?
- What is t3 t4 tsh test?
- Test what is tsh high sensitivity
- Talk to a endocrinologist online for free