303 results found
Medical tests
… of the fluid buildup at the back of the baby's neck. When the test is done, the gel is wiped off your skin. You … bladder. For an abdominal ultrasound, the gel may feel cool when it is first put on your belly. You'll feel a light … For a transvaginal ultrasound, you may feel some pressure when the transducer is in your vagina. Risks There are no …
Medical tests
… by the adrenal glands . Aldosterone levels tell the kidneys when to hold sodium in the body instead of passing it in the … Small amounts of sodium are also lost through the skin when you sweat. Most foods have sodium naturally in them or … test takes The test will take a few minutes. How It Feels When a blood sample is taken, you may feel nothing at all …
Medical tests
… for other infections ( opportunistic infections ). Decide when to start treatment to prevent opportunistic infections, … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all … is very little chance of having a problem from this test. When a blood sample is taken, a small bruise may form at the …
Medical tests
… your test results to adjust your dose. You may need testing when you take medicines such as: Cyclosporine and … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all … is very little chance of having a problem from this test. When a blood sample is taken, a small bruise may form at the …
Medical tests
… Test Overview Celiac disease is a problem that happens when gluten in food causes your immune system to attack the … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all … is very little chance of having a problem from this test. When a blood sample is taken, a small bruise may form at the …
Medical tests
… to control the heartbeat. Check the health of the heart when other diseases or conditions are present. These include … 5 to 10 minutes. How It Feels The electrodes may feel cool when they are put on your chest. If you have a lot of hair … small area may need to be shaved to put the electrodes on. When the electrodes are taken off, they may pull your skin a …
Medical tests
… the levels of calcium and phosphorus in your blood. When the phosphorus level is measured, a vitamin D level, … This test will take a few minutes. How It Feels Blood test When a blood sample is taken, you may feel nothing at all … A brief pain, like a sting or a pinch, is usually felt when the lancet punctures the skin. A baby may feel a little …
Medical tests
… produced by cells, called G cells, in the stomach lining. When food enters the stomach, G cells trigger the release of … acid (gastric acid) that helps break down and digest food. When enough gastric acid has been produced by the stomach, … at 30 minutes after the secretin injection. How It Feels When a blood sample is taken, you may feel nothing at all …
Medical tests
… before the test.) How It Is Done A blood sample is taken when you arrive for the test. This is your fasting blood … may prevent you from completing the test on that day. When a blood sample is taken, you may feel nothing at all … is very little chance of having a problem from this test. When a blood sample is taken, a small bruise may form at the …
Medical tests
… a hard time becoming pregnant ( infertile ). In a man when a pituitary gland problem is suspected. Also, a … (erectile dysfunction). Prolactin levels may be checked when a man's testosterone levels are really low. To see … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all …
