284 results found
Medical tests
… Risks Results Test Overview A ferritin blood test checks the amount of ferritin in the blood. … iron level is working. How To Prepare In general, there's nothing you have to do before this test, unless your doctor … How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you might feel a quick …
Medical tests
… Overview A folate test measures the amount of folate in the blood. Folate is one of many B vitamins. The body needs … How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you might feel a quick … How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you might feel a quick …
Medical tests
… , or the genetic material ( DNA or RNA ) of HIV in the blood or another type of sample. This can show if an HIV … problems are present. How To Prepare In general, there's nothing you have to do before this test, unless your doctor … results are ready. If your doctor has not contacted you within 1 to 2 weeks of your test, call and ask for your …
Medical tests
… protein test measures the total amount of protein in the blood. It also measures the amounts of two major groups of … or macroglobulinemia. How To Prepare In general, there's nothing you have to do before this test, unless your doctor … How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you might feel a quick …
Medical tests
… measures the amount of the amino acid homocysteine in the blood. Why It Is Done A homocysteine blood test is done to: … blood clots. How To Prepare Do not eat or drink anything (other than water) for at least 8 hours before the … around your upper arm. It may feel tight. You may feel nothing at all from the needle, or you may feel a quick sting …
Medical tests
… Test Overview A hemoglobin electrophoresis test is a blood test done to check the different types of hemoglobin … How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you might feel a quick … How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you might feel a quick …
Medical tests
… Results Test Overview A carbon monoxide blood test is used to detect carbon monoxide poisoning . … colour, odour, or taste, so you can't tell when you are breathing it. The test measures the amount of hemoglobin in your … and gas appliances such as water heaters and ovens. These things usually cause no problems. But if they are not used …
Medical tests
… test measures the level of the hormone gastrin in the blood. Gastrin is produced by cells, called G cells, in the … eat for 12 hours before the test. Do not eat or drink anything with caffeine, such as coffee, for 12 hours before the … How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you might feel a quick …
Medical tests
… (SPEP) test measures specific proteins in the blood to help identify some diseases. Proteins are … to poor nutrition. How To Prepare In general, there's nothing you have to do before this test, unless your doctor … How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you might feel a quick …
Medical tests
… test measures the amount and pattern of antibodies in your blood that work against your own body (autoimmune reaction). … . Sjögren's syndrome . How To Prepare In general, there's nothing you have to do before this test, unless your doctor … How It Feels When a blood sample is taken, you may feel nothing at all from the needle. Or you might feel a quick …