329 results found
Medical tests
… to make magnified images, or pictures, of the back of your eye . This includes the retina. It's the part of the eye that's most responsible for your vision. Common imaging methods include: Colour and … care. Results Retinal imaging Normal: The retina looks healthy. Abnormal: There is a mole, cyst, or some other …
Medical tests
… too little body fat. The test is one of the ways to measure healthy weight. People who are trying to become more fit and … to measure the thickness of fat at one or more places on your body. It is most accurate when a well-trained person … impedance. A small electrical current is passed through your body to measure your body's electrical resistance. This …
Medical tests
… only a very low level) is generally found in the blood of healthy men or healthy, non-pregnant women. The level of AFP … Screening tests are used to see what the chance is that your baby has a certain birth defect. If a screening test is positive, it means that your baby is more likely to have that birth defect and your …
Medical tests
… (say "kat-uh-KOH-luh-meens") are hormones made mostly by your adrenal glands as a reaction to stress. When you feel … organs, such as the brain, heart, and kidneys. This helps your body prepare for "fight-or-flight" reactions. Your body … the test. Do not take cold or allergy remedies, aspirin, or diet pills for 2 weeks before the test. How It Is Done This …
Medical tests
… (ANA) test measures the amount and pattern of antibodies in your blood that work against your own body (autoimmune reaction). The body's immune … Sometimes ANA test results can be positive when a person is healthy. Though the test is positive, the level of …
Medical tests
… It measures the density of minerals (such as calcium ) in your bones. This information helps your doctor estimate the strength of your bones. We all lose … is your bone density compared to the average score of a healthy 30-year-old. (This is called the young adult …
Medical tests
… It Feels Risks Results Test Overview Your pulse is the rate at which your heart beats. Your pulse … ). Stimulants such as caffeine, amphetamines , diet pills, and cigarettes. Drinking alcohol. Stress. Slow … exercise, your heart should be working hard enough for a healthy effect but not so hard that your heart is …
Medical tests
… and the amount of potassium you eat. The hormone levels in your body, severe vomiting, and taking certain medicines … bananas, prune juice, orange juice, and squash. A balanced diet has enough potassium for the body's needs. But if your levels get low, it can take some time for your body to …
Medical tests
… dexamethasone pill. The next morning, the cortisol level in your blood will be measured. If your cortisol level stays high, Cushing's syndrome may be … Examples include heart attack or heart failure, fever, poor diet, an overactive thyroid gland (hyperthyroidism), …
Medical tests
… there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health … Results Each lab has a different range for what's normal. Your lab report should show the range that your lab uses for … levels (hypernatremia) can be caused by a high-sodium diet or by not drinking enough water and being dehydrated . …