329 results found
Medical tests
… to get the right amount of calcium in your food because the body loses calcium every day. Foods rich in calcium … symptoms. Calcium levels need to be very high or low to cause symptoms. Why It Is Done A blood calcium test may be … a kidney transplant . To see if your symptoms may be caused by a very low calcium level in the blood. Such symptoms …
Medical tests
… to help destroy and get rid of invading bacteria and viruses that can cause disease. But the RF antibody can attach to normal body tissue and cause damage. A high level of RF can be caused by several …
Medical tests
… kinds of ticks. Lyme disease can be hard to diagnose because its symptoms are similar to those of many other … and physical examination. Antibody tests can sometimes be used to help identify Lyme disease. Other tests may be done … Antibody tests Antibody tests are the most commonly used tests to help identify Lyme disease. It may take up to …
Medical tests
… to find germs (such as bacteria or a fungus) that can cause an infection. A sample of stool is added to a substance … no germs grow, the culture is negative. If germs that can cause infection grow, the culture is positive. The type of … days. Why It Is Done A stool culture is done to: Find the cause of symptoms. It can help explain symptoms such as severe …
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
… levels high during this test. Examples include alcohol use disorder , stress, obesity, kidney failure, pregnancy, … cortisol level stays high, Cushing's syndrome may be the cause. An ACTH test is sometimes done at the same time as the … have a sample of your blood drawn. A health professional uses a needle to take a blood sample, usually from the arm. …
