329 results found
Medical tests
… Test Overview A radioactive iodine uptake (RAIU) test uses a radioactive tracer and a special probe to measure how … gland is working properly. The radioactive tracer commonly used in this test is iodine. A radioactive iodine uptake … iodine uptake (RAIU) test is done to: Find the cause of an overactive thyroid gland (hyperthyroidism). Plan …
Medical tests
… to change galactose into glucose, a sugar that your body uses for energy. A person with galactosemia doesn't have one … urine. When galactose builds up in a baby's blood, it can cause liver damage, problems with eating, and intellectual disabilities. The damage caused by galactosemia can begin within weeks after the baby …
Medical tests
… It Is Done Blood sample from a heel stick A heel stick is used to get a blood sample from a baby. The baby's heel is … was poked. Blood sample from a vein A health professional uses a needle to take a blood sample, usually from the arm. … normal. Your lab report should show the range that your lab uses for each test. The normal range is just a guide. Your …
Medical tests
… to find germs (such as bacteria) in the urine that can cause an infection. Bacteria can enter through the urethra and cause a urinary tract infection (UTI) . A sample of urine is … in women and girls than in men. This may be partly because the female urethra is shorter and closer to the anus . …
Medical tests
… (ACTH). Cortisol has many functions. It helps the body use sugar (glucose) and fat for energy ( metabolism ), and … . The timing of the cortisol test is very important because of the way cortisol levels vary throughout a day. If … taking the medicine. How It Is Done A health professional uses a needle to take a blood sample, usually from the arm. …
Medical tests
… Overview A testicular ultrasound (sonogram) is a test that uses reflected sound waves to show a picture of the … testicles to the prostate gland . The ultrasound does not use X-rays or other types of radiation. A small hand-held … lie on your back on a padded table. Folded towels will be used to cover the penis and lift the scrotum. A gel (such as …
Medical tests
… to the pressure and the sound. The results of this test are used to help figure out what is going on in the ear. Why It … Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of …
Medical tests
… a triple renal study). Different radioactive tracers are used depending on what kind of scan is being done. Areas of … who are allergic to the special dye ( contrast material ) used during the IVP. Why It Is Done A kidney scan is done … Abnormal flow may mean narrowed renal arteries that can cause a type of high blood pressure called renovascular …
Medical tests
… chance of getting a rare disease called rickets . Your body uses sunshine to make its own vitamin D. Vitamin D is found … occurs in the hip or wrist. Have gone through menopause and worry about osteoporosis. Have low levels of vitamin … doctor tells you to. How It Is Done A health professional uses a needle to take a blood sample, usually from the arm. …
Medical tests
… assay (ELISA). This test is usually the first one used to detect infection with HIV. If antibodies to HIV are … PCR testing isn't done as often as antibody testing, because it requires technical skill and expensive equipment. … tests are negative for the virus. The PCR test is very useful to find a very recent infection, find out if an HIV …
