329 results found
Medical tests
… your CD4+ count is checked depends on your treatment, your health, and your prior CD4+ count results. How To Prepare … goes up with treatment. Low CD4+ counts make infections more likely. Medical Tests: Questions to … goes up with treatment. Low CD4+ counts make infections more likely. Medical Tests: Questions to …
Medical tests
… you to do. Tell your doctor ALL the medicines and natural health products you take. Some may increase the risk of … part of the test is having to lie still for an hour or more on the table. You may feel some stiffness or cramping. … happen rarely, but they can be life-threatening. They are more likely to occur in older people or in people who have …
Medical tests
… first day is the day of heaviest bleeding. How It Is Done A health professional uses a needle to take a blood sample, … with her menstrual cycle or who can't get pregnant, more than one blood sample may be needed to help find the … with her menstrual cycle or who can't get pregnant, more than one blood sample may be needed to help find the …
Medical tests
… a tissue type test. The closer the match of antigens, the more likely that an organ or tissue transplant will succeed. … mean that fewer anti-rejection drugs will be needed. The more similar the antigen patterns are from two people, the … whether your donor tissue can be used. How It Is Done A health professional uses a needle to take a blood sample, …
Medical tests
… hepatitis. You may have been exposed to the virus. You are more likely to have been exposed to the virus if you inject … drugs or are exposed to body fluids (such as if you are a health care worker). You've had other tests that show you … hepatitis. You may have been exposed to the virus. You are more likely to have been exposed to the virus if you inject …
Medical tests
… Be sure to tell your doctor if you are using any natural health products. How It Is Done Blood sample from a heel … available within 1 week. Your doctor will likely want to do more evaluation and another blood lead level test if: Your … available within 1 week. Your doctor will likely want to do more evaluation and another blood lead level test if: Your …
Medical tests
… do anything before you have this test. How It Is Done The health professional drawing blood will: Wrap an elastic band … the needle site with alcohol. Put the needle into the vein. More than one needle stick may be needed. Attach a tube to … 3%–6% High values A high reticulocyte count may mean more red blood cells are being made by the bone marrow. This …
Medical tests
… of hemoglobin found in small amounts in adults. There are more than 350 types of abnormal hemoglobin. footnote 1 The … iron therapy for iron deficiency anemia . How It Is Done A health professional uses a needle to take a blood sample, … of hemoglobin A and a high level of hemoglobin F may mean a more severe form of thalassemia. High levels of hemoglobin F …
Medical tests
… the disease. Sickled red blood cells often cause recurring health problems called sickle cell crises . One set of genes … newborns for sickle cell disease. Talk with your doctor for more information. Why It Is Done A sickle cell test is done … Abnormal hemoglobin is present. In sickle cell trait, more than half of the hemoglobin is normal (hemoglobin A) …
Medical tests
… about how to take these before the test. How It Is Done A health professional uses a needle to take a blood sample, … that causes the fast destruction of red blood cells, need more folate to make more red blood cells . People who have certain conditions, …