329 results found
Medical tests
… During an ear examination, a tool called an otoscope is used to look at the outer ear canal and eardrum. An otoscope … a speculum. A pneumatic otoscope has a rubber bulb that your doctor can squeeze to give a puff of air into the ear … with the head tilted slightly toward the opposite shoulder. Your doctor may need to remove earwax in order to see the …
Medical tests
… (sodium). When a tumour that makes aldosterone is present, your aldosterone level will be high while a renin level will … Check for a tumour in the adrenal glands. Find the cause of high blood pressure or low blood potassium levels. … tests. If you are having follow-up aldosterone blood tests, your doctor may give you the following instructions: Eat …
Medical tests
… urea nitrogen (BUN) test measures the amount of nitrogen in your blood that comes from the waste product urea. Urea is made when protein is broken down in your body. Urea is made in the liver and passed out of your … Blood urea nitrogen (BUN) and creatinine tests can be used together to find the BUN-to-creatinine ratio …
Medical tests
… sample. Uric acid is produced from the natural breakdown of your body's cells and from the foods you eat. Most of the … increases. High levels of uric acid in the blood can cause solid crystals to form within joints. This causes a … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health …
Medical tests
… in an electrical field. Serum protein electrophoresis uses an electrical field to separate the proteins in the … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health … Normal Each lab has a different range for what's normal. Your lab report should show the range that your lab uses for …
Medical tests
… Information Test Overview Helicobacter pylori tests are used to detect a Helicobacter pylori ( H. pylori ) infection … : Blood antibody test. A blood test checks to see whether your body has made antibodies to H. pylori bacteria. If you have antibodies to H. pylori in your blood, it means you either are currently infected or …
Medical tests
… non-pregnant women. The level of AFP in the blood is used in a serum quadruple screening test. This test is often … 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
… . A vaginal self-examination may help you better understand your body, the changes that take place during the menstrual … The best time to do a vaginal self-examination is between your menstrual periods. A vaginal self-examination should … a time when you are not having a menstrual period. Do not use vaginal creams or douches before doing the examination. …
Medical tests
… Overview A renin assay blood test is done to find the cause of high blood pressure (hypertension) . Renin is an … in the blood and fluid levels in the body, which affects your blood pressure. A renin test is often done at the same … medicines (especially beta-blockers and ACE inhibitors). Your doctor may have you take other medicines for a few …
Medical tests
… Overview Hemochromatosis gene (HFE) testing is a blood test used to check for hereditary hemochromatosis, an inherited … This test might be done if you have high iron levels in your blood. This test helps to find out if you have … gene test. You may worry that test results could affect your future employment options or the cost or availability …
