325 results found
Medical tests
… (mutations) in genes called BRCA1 and BRCA2. This test can help you know your chance of getting breast cancer and ovarian cancer . A BRCA gene test … risk. There are some important things to keep in mind when you are thinking about having a BRCA gene test. A …
Medical tests
… A rapid sputum tests is used to diagnose tuberculosis (TB) when other tests show that a person probably has TB. Rapid sputum tests are also called … be infected with bacteria other than TB bacteria. A person who may have TB has been close to other people who will need …
Medical tests
… determines how loud the sound is (volume). Hearing happens when these sound waves travel through the ear and are turned … nerve to the brain and are read as sound. Hearing tests help find what kind of hearing loss you have. The tests … a tone until you can no longer hear it. Then the tone will get louder until you can hear it again. If you can hear the …
Medical tests
… The PET picture may be matched with those from a CT scan to get more detailed information about where the tracer is … done to remove a tumour. Help diagnose Alzheimer's disease when the symptoms are not clear or when a person has … fear of enclosed spaces. Do not smoke or drink caffeine or alcohol for 24 hours before this test. Do not eat or drink …
Medical tests
… into glucose, a sugar that your body uses for energy. A person with galactosemia doesn't have one of these enzymes, … so high levels of galactose build up in the blood or urine. When galactose builds up in a baby's blood, it can cause … Blood sample from a heel stick A heel stick is used to get a blood sample from a baby. The baby's heel is poked, …
Medical tests
… done if you have high iron levels in your blood. This test helps to find out if you have hemochromatosis. HFE testing … gently swabs or scrapes the inside of your cheek to get a sample of cells. Blood test A health professional uses … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all …
Medical tests
… is a blood test that measures a substance that is released when a blood clot breaks up. Doctors order the d-dimer test, along with other lab tests and imaging scans, to help check for blood-clotting problems. A d-dimer test can … working. Why It Is Done Doctors use the d-dimer test when a person might have a dangerous blood-clotting problem. These …
Medical tests
… analysis. Why It Is Done An antigen test may be done if a person's medical history and symptoms suggest giardiasis . … An antigen test also may be used to screen people who are at high risk for having giardiasis. Results A test … infections that cause similar symptoms. People may get infected with other organisms that cause the same …
Medical tests
… by the adrenal glands ( Cushing's syndrome ). Normally, when the pituitary gland makes less adrenocorticotropic … cortisol levels high during this test. Examples include alcohol use disorder , stress, obesity, kidney failure, … Take the pill with milk or an antacid. This can help prevent an upset stomach or heartburn. The next morning …
Medical tests
… from a toxoplasmosis infection. Baby has toxoplasmosis. Person with a weakened immune system, such as someone who has HIV , has a chance of getting a toxoplasmosis infection. How To Prepare In … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all …
