281 results found
Medical tests
… amount of an enzyme called hexosaminidase A (Hex A) in the blood. Hex A breaks down fatty substances in the brain and … children. The Tay-Sachs enzyme test is usually done on blood taken from a vein or from the umbilical cord right … carrier, you should tell your doctor if you have had a blood transfusion in the past 3 months. Talk to your doctor …
Medical tests
… types of samples are used for a viral test. They include blood, urine, stool (feces), organ tissue, spinal fluid, and … is accidentally stuck with a needle containing contaminated blood to see if they became infected with the virus. Find a viral infection in a potential blood donor to prevent the donation of infected blood. Find …
Medical tests
… be done using other types of samples, such as spinal fluid, blood, urine, or tears. Blood testing can be done to find … test results are back. There are treatments that can help lower the chance of spreading it to others. How It Is Done … test results are back. There are treatments that can help lower the chance of spreading it to others. How It Is Done …
Medical tests
… test detects antibodies to the Lyme disease bacteria in the blood. Lyme disease bacteria are spread by certain kinds of … should be done in a two-step process, using the ELISA followed by the Western blot test. The Western blot test should … or negative, test for Lyme disease can mean one of the following: You do not have Lyme disease. A negative PCR test …
Medical tests
… Test Overview This test is done by measuring blood pressure at the ankle and in the arm while a person is … can help diagnose peripheral arterial disease (PAD). A lower ABI means you might have PAD. A slight drop in the ABI … you do not have significant narrowing or blockage of blood flow. footnote 1 Abnormal Abnormal values for the resting …
Medical tests
… enzyme also can be found in smaller amounts in the brain. A blood test to check the level of CK can show if there has … 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 …
Medical tests
… . The two upper chambers are called atria, and the two lower chambers are called ventricles. A natural electrical … system causes the heart muscle to contract and pump blood through the heart to the lungs and the rest of the … from falling off. On the treadmill , you will start out slowly in a level or slightly inclined position. After …
Medical tests
… out of damaged heart muscle cells, and their levels in the bloodstream rise. The test might also check for an enzyme … are also found in other body tissues, their levels in the blood may rise when those other tissues are damaged. Cardiac … It Is Done A health professional uses a needle to take a blood sample, usually from the arm. Cardiac enzyme studies …
Medical tests
… the chemicals it produces, such as cotinine—in your blood or urine. It's usually done by testing a sample of your blood or urine. The test is used to see if you smoke or use … take more than 2 weeks for the levels of cotinine in your blood and urine to drop. Quitting …
Medical tests
… if they're not treated. There are many types of HPV. Some low-risk types cause common skin warts . Some cause genital … It Is Done For this test, you need to remove your clothes below the waist and drape a paper or cloth covering around … knees bent and legs and feet supported by footrests. This allows your doctor to examine your vagina and vulva. Your …
