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Medical tests
… Information Test Overview Coronary calcium scans use a special X-ray test called computed tomography (CT) to … more study or printed out as photographs. Why It Is Done Your doctor may want you to have a coronary calcium scan if … clear about whether you should start treatment to reduce your risk of coronary artery disease. footnote 1 A coronary …
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 potassium levels. This is … A low-salt diet can also increase aldosterone levels. Tell your doctor if you are on a low-salt food plan. Do not 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
… in their sweat. During the sweat test , medicine that causes a person to sweat is applied to the skin (usually on … test can be done at any age. It may be done as soon as your baby is 10 days old, but it is often done when a baby is 2 to 4 weeks of age. Your child may need more than one sweat test to confirm a …
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
… 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
… the level of parathyroid hormone in the blood. This test is used to help identify hyperparathyroidism , to find 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
… Test Overview At-home genetic tests check the DNA of your cells. These tests can find changes in your genes that increase your risk for certain health … results. Risks There are some things to consider when you use an at-home genetic test. The test may not be as accurate …
Medical tests
… in millilitres per second (mL/sec). This test is sometimes used to evaluate the impact that benign prostatic … has on urine flow or to monitor the effect of treatment. Your doctor and studies about treatment for BPH may talk … Incorporated disclaims any warranty or liability for your use of this information. Your use of this information …
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 …