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2022年4月4日 · There are three main types of retinal detachment: Rhegmatogenous. This is the most common kind. It happens because of a retinal tear. Age usually causes it, as the vitreous gel that fills your ...
2023年6月18日 · WebMD explains groin pulls, the overstretching or tearing of the muscles in your groin. Learn about diagnosis, symptoms, treatment, and prevention of this sports-related injury.
2024年4月5日 · Being born with a larger-than-normal prostate. A PSA in the range of 4-10 nanograms per milliliter is linked to a 25% chance of prostate cancer. Most people with a PSA below 4 nanograms per ...
2024年2月18日 · Osteoarthritis can affect your vertebrae, when the cartilage between them wears down. Bone spurs or a herniated disk can push on nerves. Pregnancy often brings on back pain, too. Hormonal changes ...
- Diagnosis
- Overview
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A TSH test is done to find out if your thyroid gland is working the way it should. It can tell you if its overactive (hyperthyroidism) or underactive (hypothyroidism). The test can also detect a thyroid disorder before you have any symptoms. If untreated, a thyroid disorder can cause health problems.
TSH stands for thyroid stimulating hormone and the test measures how much of this hormone is in your blood. TSH is produced by the pituitary gland in your brain. This gland tells your thyroid to make and release the thyroid hormones into your blood.
The TSH test involves simply drawing some blood from your body. The blood will then be analyzed in a lab. This test can be performed at any time during the day. No preparation is needed (such as overnight fasting). You shouldnt feel any pain beyond a small prick from the needle in your arm. You may have some slight bruising.
In general, there is no need to stop taking your medicine(s) before having your TSH level checked. However, it is important to let the doctor know what medications you are taking as some drugs can affect thyroid function. For example, thyroid function must be monitored if you are taking lithium. While taking lithium, there is a high chance that you...
TSH levels typically fall between 0.4 and 4.0 milliunits per liter (mU/L), according to the American Thyroid Association. Ranges between laboratories will vary with the upper limit being between 4 to 5. If your level is higher than this, chances are you have an underactive thyroid.
2024年2月5日 · A score of 100 means that a food has a big effect on your blood sugar, while a score of 1 indicates little effect. GI can help you make food choices. For example, following a low-GI diet can help ...
2024年3月19日 · A complete blood count (CBC) is a test that counts the cells that make up your blood: red blood cells, white blood cells, and platelets. Your doctor may order a CBC as part of a routine checkup or ...
