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  2. www.webmd.com › digestive-disorders › alanine-aminotransferaseAlanine Aminotransferase Test (ALT) or (SGPT): normal range ...

    An alanine aminotransferase (ALT) test can show whether you have a liver disease or injury. Learn how this test works and how it can help your doctor diagnose you.

  3. www.webmd.com › heart-disease › atrial-fibrillationWhy Am I Having Heart Palpitations? 14 Possible Causes - WebMD

    2023年8月22日 · Stress and Anxiety. Intense emotions can trigger the release of hormones that speed up your heartbeat. Your body gets ready to face a threat, even if you're not in danger. Panic attacks are ...

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  4. www.webmd.com › diet › body-bmi-calculatorBMI Calculator - Calculate your Body Mass index

    BMI Calculator & Healthy Weight Plan. Body mass index (BMI) estimates how healthy your weight is based on your height. There's no "perfect weight" that fits everyone, but BMI can help most adults ...

  5. www.webmd.com › drugsWebMD's A to Z Drug Database

    WebMD's comprehensive database of prescription drug and medication information from A to Z

  6. www.webmd.com › women › what-is-tsh-testThyroid-Stimulating Hormone (TSH): TSH Levels Test - WebMD

    • Diagnosis
    • Overview
    • Preparation
    • Risks
    • Results

    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.

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    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.

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    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.

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    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...

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    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.

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  7. www.webmd.com › sleep-disorders › sleep-apneaBiPAP: How It Works, Benefits, and BiPAP vs Other Machines - ...

    2024年3月31日 · Both deliver air pressure when you breathe in and breathe out. But a BiPAP delivers higher air pressure when you breathe in. The CPAP, on the other hand, delivers the same amount of pressure at ...

  8. www.webmd.com › prostate-cancer › psaProstate-Specific Antigen: PSA Test and PSA Levels Explained ...

    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 ...