329 results found
Medical tests
… Overview A thyroid-stimulating hormone (TSH) blood test is used to check for thyroid gland problems. TSH is produced … (T3) and thyroxine (T4). T3 and T4 help control your body's metabolism . Triiodothyronine (T3) and thyroxine … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health …
Medical tests
… Some diseases, such as severe forms of thalassemia , may cause hemoglobin A levels to be low and hemoglobin F levels to … from a parent to a child (inherited). How To Prepare Tell your doctor if you are getting iron therapy for iron … Normal Each lab has a different range for what's normal. Your lab report should show the range that your lab uses for …
Medical tests
… are done to: Monitor how the HIV infection is affecting your immune system. Help diagnose acquired immune deficiency … get treatment, HIV infection can progress to AIDS. Evaluate your risk for other infections ( opportunistic infections ). … your HIV infection. How It Is Done A health professional uses a needle to take a blood sample, usually from the arm. …
Medical tests
… Amniocentesis is a test to look at the fluid that surrounds your baby ( fetus ) in the uterus . Amniotic fluid has cells … other substances that can give clues about the health of your fetus. For this test, a needle is put gently through … weeks 15 and 20 to look at the baby's genes. It can also be used later in pregnancy. Amniocentesis for genetic testing …
Medical tests
… cord and brain that you need to urinate. In response, your spinal cord sends a signal for the bladder to contract (voiding reflex). When you hold in your urine, your brain is overriding this reflex. When you … this nerve pathway or the muscles of the bladder wall can cause bladder dysfunction. During cystometry, your bladder is …
Medical tests
… It Feels Risks Results Test Overview Your pulse is the rate at which your heart beats. Your pulse is usually called your heart … or rhythm, a weak pulse, or a hard blood vessel may be caused by heart disease or another problem. As your heart …
Medical tests
… there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done You will need to … is usually taken from the front, back, top, and sides of your head. Hold your head completely still while the … A padded brace, foam pads, a headband, or sandbags may be used to hold your head in place while the pictures are …
Medical tests
… blood varies throughout her menstrual cycle . After menopause , it drops to a very low but constant level. Estriol … you make wise health decisions or take action to improve your health. Decision Points focus on key medical care … cycle . Each lab has a different range for what's normal. Your lab report should show the range that your lab uses for …
Medical tests
… or abnormal positions of chromosome pieces, can cause problems with a person's growth, development, and body … obtained from karyotyping can have a profound impact on your life, you may want to see a doctor who specializes in … what karyotype test results mean for you, such as your risk for having a child with an inherited (genetic) …
Medical tests
… Overview A viral test is done to find infection-causing viruses. Viruses grow only in living cells. Viruses cause … that may be present and the sample that will be tested. Your health professional will give you any specific instructions before your test. How It Is Done Samples can be collected in …
