329 results found
Medical tests
… the sound waves as they bounce off the different parts of your heart. These echoes are turned into moving pictures of … blood supply from narrowed coronary arteries. One or more heart valves do not open or close properly (are … that you agree to the Terms of Use and Privacy Policy . Learn how we develop our content . … Test Overview An …
Medical tests
… in the brain caused by too much CSF. How To Prepare Tell your doctor ALL the medicines and natural health products … bones of the lower spine so that the needle can be inserted more easily. If fluoroscopy is used, you will lie on your … that you agree to the Terms of Use and Privacy Policy . Learn how we develop our content . Media gallery Spinal tap …
Medical tests
… (also called an echo) uses sound waves to make an image of your heart. A device called a transducer sends sound waves … blood supply from narrowed coronary arteries. One or more heart valves do not open or close properly (are … that you agree to the Terms of Use and Privacy Policy . Learn how we develop our content . … Test Overview An …
Medical tests
… symptoms are similar to those of many other illnesses. If you and your doctor think you have Lyme disease, your doctor … it does not show up on the test ( false-negative ). This is more likely with the antibody tests than with PCR. Abnormal … that you agree to the Terms of Use and Privacy Policy . Learn how we develop our content . … Test Overview A Lyme …
Medical tests
… if the tracer is evenly spread in the gland. This helps your doctor know if the thyroid gland is working properly. … times is at normal levels. Abnormal: The test shows either more or less uptake of tracer than normal in the thyroid … that you agree to the Terms of Use and Privacy Policy . Learn how we develop our content . Media gallery Thyroid …
Medical tests
… Small amounts of sodium are also lost through the skin when you sweat. Most foods have sodium naturally in them or as an … sodium can be checked in a single urine sample, but it is more often measured in a 24-hour urine sample. A single … that you agree to the Terms of Use and Privacy Policy . Learn how we develop our content . Media gallery Kidneys … …
Medical tests
… glands then make a hormone called cortisol, which helps your body manage stress. Cortisol is needed for life, so its … taken, a small bruise may form at the site. Bruising may be more likely in people with high ACTH and cortisol levels. … that you agree to the Terms of Use and Privacy Policy . Learn how we develop our content . Media gallery Pituitary …
Medical tests
… may be done. These tests look for possible problems with your baby. The tests may be called first-trimester … you have a negative result, you may choose not to have any more tests. Accuracy of the test First-trimester screening … that you agree to the Terms of Use and Privacy Policy . Learn how we develop our content . … Test Overview During …
Medical tests
… urea nitrogen (BUN) test measures the amount of nitrogen in your blood that comes from the waste product urea. Urea is … Dehydration generally causes BUN levels to rise more than creatinine levels. This causes a high … that you agree to the Terms of Use and Privacy Policy . Learn how we develop our content . Media gallery Liver …
Medical tests
… Test Overview Lung function tests check to see how well your lungs work. The tests can find lung problems, measure … test can check for all of the lung function values, so more than one type of test may be done. Some tests may be … that you agree to the Terms of Use and Privacy Policy . Learn how we develop our content . Media gallery The lungs …
