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Medical tests
… through the digestive tract . After you chew and swallow your food, it moves into your stomach, where it is mixed with acid and digestive … your small intestine, where nutrients are absorbed for use by your body. The food then goes into your large …
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
… 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
… 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
… test ("tox screen") checks for drugs or other chemicals in your blood, urine, or saliva. Drugs can be swallowed, … a mucous membrane . In rare cases, a tox screen may check your stomach contents or sweat. A tox screen may check for … up to 3-4 days after a possible overdose. Check for drug use in the workplace. Testing is common for people who work …
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 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 …