329 results found
Medical tests
… On this page: Test Overview Health Tools Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview An MRI is a test that uses a magnetic field and pulses of radio wave energy to … are two main types of MRI—the standard MRI machine and the open MRI machine . What an MRI image looks like Image …
Medical tests
… Viral Tests On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … Overview A viral test is done to find infection-causing viruses. Viruses grow only in living cells. Viruses cause … fluid, and saliva. The type of sample used for the test depends on the type of infection that may be present. Why It …
Medical tests
… Retinal Imaging On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results Test Overview Retinal imaging uses special cameras and scanners to make magnified images, … against a bar to keep it still. Keep your mouth closed, open your eyes as wide as you can, and stare straight ahead. …
Medical tests
… On this page: Test Overview Health Tools Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … naturally become thinner as you grow older. This is because existing bone tissue is broken down faster than new bone … further bone loss, low bone density (sometimes called osteopenia) can lead to osteoporosis . So the thicker your bones …
Medical tests
… Urodynamic Tests On this page: Test Overview Why It Is Done How To Prepare How It is Done How It Feels Results Test … How long the test takes How long the test will take depends on the type of test you have. Ask your doctor how long … Incorporated disclaims any warranty or liability for your use of this information. Your use of this information means …
Medical tests
… Lactic Acid Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … Most of it is made by muscle tissue and red blood cells . When the oxygen level in the body is normal, carbohydrate … higher when the liver is severely damaged or diseased, because the liver normally breaks down lactic acid. Very high …
Medical tests
… Agglutinins Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … blood test is done to check for conditions that cause the body to make certain types of antibodies called cold … can cause blood to clump in blood vessels under the skin when the skin is exposed to the cold. This causes pale skin …
Medical tests
… Cystometry On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … to see how well the bladder is working. Cystometry is done when a muscle or nerve problem may be causing problems with … this nerve pathway or the muscles of the bladder wall can cause bladder dysfunction. During cystometry, your bladder is …
Medical tests
… Non-Stress Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Test Overview A … to stop smoking for 2 hours before the test. This is because smoking affects your baby's heart rate and movements. … movement, it can be because the baby is asleep. If this happens during your test, the doctor or technician may try to …
Medical tests
… Ammonia Test On this page: Test Overview Why It Is Done How To Prepare How It Is Done How It Feels Risks Results … of ammonia in the blood. Most ammonia in the body forms when protein is broken down by bacteria in the intestines . … liver is not able to convert ammonia to urea. This may be caused by cirrhosis or severe hepatitis . For this test, a …
