329 results found
Medical tests
… angles are needed. A series of X-ray pictures is usually taken from the front, back, top, and sides of your head. … your head completely still while the pictures are being taken. A padded brace, foam pads, a headband, or sandbags … be used to hold your head in place while the pictures are taken. How long the test takes Skull X-rays usually take …
Medical tests
… to. How It Is Done A health professional uses a needle to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you … of having a problem from this test. When a blood sample is taken, a small bruise may form at the site. Results The test …
Medical tests
… be closely watched for several hours. How long the test takes This procedure takes 10 to 20 minutes. In some cases, … You might feel pain in another location, such as your shoulder. You may also have some irregular or "skipped" … You might feel pain in another location, such as your shoulder. You may also have some irregular or "skipped" …
Medical tests
… early in pregnancy. If she is Rh-negative, steps can be taken to protect the baby. How To Prepare In general, you … specific instructions. How It Is Done A health professional takes a sample of your blood. How long the test takes The test will take a few minutes. How It Feels When a …
Medical tests
… test. How It Is Done Urine calcium is measured in a sample taken from all the urine made in a 24-hour period. Urine … has a different range for what's normal. Your lab report should show the range that your lab uses for each test. The … has a different range for what's normal. Your lab report should show the range that your lab uses for each test. The …
Medical tests
… is the virus's genetic material. Hepatitis antibodies can take weeks or months to develop. So an infected person may … to. How It Is Done A health professional uses a needle to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you …
Medical tests
… might interfere with the X-ray picture. You will need to take off your clothes above the waist, and you will be given … arm. For a few seconds while the X-ray picture is being taken, you will need to hold your breath. Usually at least two pictures are taken of each breast: one from the top and one from the …
Medical tests
… for this test. Single-breath or breath-holding method: You take a breath of air from a container. The air contains a very small amount of carbon monoxide. Measurements are taken as you breathe in. Steady-state method: You do the … working. How To Prepare Let your doctor know if you take medicines for a lung problem. You may need to stop some of …
Medical tests
… angle ). A camera may be attached to the slit lamp to take pictures of different parts of the eye. Fluorescein dye … In some cases, a camera may be attached to the slit lamp to take pictures of different parts of the eye. A test called … from an infection or dryness. A slit lamp examination takes about 5 to 10 minutes. How It Feels It is usually not …
Medical tests
… can be seen on a video screen. How long the test takes The test usually takes 15 to 30 minutes. How It Feels This test doesn't cause … can be seen on a video screen. How long the test takes The test usually takes 15 to 30 minutes. How It Feels …
