292 results found
Medical tests
… to be tested. You may be able to get help from your local health unit to do this. Why It Is Done A test for the human … test is repeated on the same blood sample. If two or more results are positive, they must be confirmed by another … test is repeated on the same blood sample. If two or more results are positive, they must be confirmed by another …
Medical tests
… test, unless your doctor tells you to. How It Is Done A health professional uses a needle to take a blood sample, … range from very little, such as a BAC of 0.02, to a BAC of more than 0.50. A BAC of 0.50 is very high and can cause … blood alcohol level steadily increases. Your weight. The more you weigh, the more water you have in your body. The …
Medical tests
… doctor to see different views of the breast without taking more images. Digital breast tomosynthesis is sometimes … a false-positive result . It can occur at any age, but it's more likely to occur if you are age 40 to 59. About 5% to … Over time, exposure to radiation may cause cancer and other health problems. But in most cases, the risk of getting …
Medical tests
… test. How It Is Done If the sample is taken from a vein A health professional uses a needle to take a blood sample, … is taken from an artery Collecting blood from an artery is more painful than collecting it from a vein. That's because … is taken from an artery Collecting blood from an artery is more painful than collecting it from a vein. That's because …
Medical tests
… whether your infection is recent or occurred in the past. More than one blood test may be done over several weeks. For … test, unless your doctor tells you to. How It Is Done A health professional uses a needle to take a blood sample, … whether your infection is recent or occurred in the past. More than one blood test may be done over several weeks. For …
Medical tests
… can be checked in a single urine sample. But it is more often measured in a 24-hour urine sample. Urine … doctor will also look at your results based on your age, health, and other factors. A value that isn't in the normal … can be checked in a single urine sample. But it is more often measured in a 24-hour urine sample. Urine …
Medical tests
… pictures are recorded in a computer and can be saved for more study or printed out as photographs. Why It Is Done … Over time, exposure to radiation may cause cancer and other health problems. But in most cases, the risk of getting … that is your calcium score. The score can range from 0 to more than 400. The higher your score, the greater your …
Medical tests
… test, unless your doctor tells you to. How It Is Done A health professional uses a needle to take a blood sample, … characterized by enlargement of certain kidney cells. It is more common in children and may be linked to an abnormally … characterized by enlargement of certain kidney cells. It is more common in children and may be linked to an abnormally …
Medical tests
… site. A sentinel node biopsy may be done instead of a more extensive surgery called lymph node dissection. But if … is found in the sentinel lymph node at the time of surgery, more surgery may be needed to remove additional lymph nodes. … on your own. Tell your doctor ALL the medicines and natural health products you take. Some may increase the risk of …
Medical tests
… needs this B vitamin to make blood cells and to maintain a healthy nervous system . Vitamin B12 is found in animal … B12. Vitamin B12 is stored in the liver for a year or more, which reduces a person's risk of anemia. Vitamin B12 … the needle site with alcohol. Put the needle into the vein. More than one needle stick may be needed. Attach a tube to …
