329 results found
Medical tests
… levels of both renin and aldosterone are normally present when the body is trying to conserve fluid and salt (sodium). When a tumour that makes aldosterone is present, your … level will be low. Usually a renin activity test is done when the aldosterone level is measured. Why It Is Done An …
Medical tests
… insulin . This is because insulin and C-peptide are linked when first made by the pancreas. Insulin helps the body use … blood sugar level in the body. A C-peptide test can be done when it is not clear whether type 1 diabetes or type 2 … insulinoma will have a high level of C-peptide in the blood when they have a high level of insulin. Why It Is Done A …
Medical tests
… It Feels Risks Results Test Overview When your doctor checks your pelvic organs, it's called a … in your pelvic area. You will also need to tell your doctor when your last period was. Be sure to tell your doctor if … How It Feels You may feel some pressure or mild discomfort when the speculum is placed into your vagina. If a metal …
Medical tests
… ribs and remove a sample of lung tissue. It is usually done when the other methods of lung biopsy have not been successful or can't be used, or when a larger piece of lung tissue is needed for a … a chest X-ray or a CT scan. A lung biopsy is usually done when other tests can't identify the cause of lung problems. …
Medical tests
… by the adrenal glands . Aldosterone levels tell the kidneys when to hold sodium in the body instead of passing it in the … soda as sodium bicarbonate. Many medicines and other products also have sodium in them, including laxatives, … soda as sodium bicarbonate. Many medicines and other products also have sodium in them, including laxatives, …
Medical tests
… puberty (also called precocious puberty). Puberty is early when it starts in females younger than age 8 and in males … medicines you take, including natural health products. How It Is Done Blood test A health professional uses … medicines you take, including natural health products. How It Is Done Blood test A health professional uses …
Medical tests
… This gas has no colour, odour, or taste, so you can't tell when you are breathing it. The test measures the amount of … carbon monoxide may build up in an enclosed space. When you inhale carbon monoxide , it replaces the oxygen … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all …
Medical tests
… The test is usually done in the morning, because that is when the amount of DHEA-S is at its highest. Women may be … to take a blood sample, usually from the arm. How It Feels When a blood sample is taken, you may feel nothing at all … is very little chance of having a problem from this test. When a blood sample is taken, a small bruise may form at the …
Medical tests
… is called a transfusion reaction, and it occurs immediately when incompatible blood is transfused. A transfusion … even more important for pregnant women. A problem can occur when a woman who has Rh-negative blood becomes pregnant with … response is called Rh sensitization and, depending on when it occurs, can destroy the baby's red blood cells. Rh …
Medical tests
… breath. Alcohol has a noticeable effect on the body, even when consumed in small amounts. In large amounts, alcohol … level is done to: Check the amount of alcohol in the blood when a person is suspected of being legally drunk … to see whether alcohol is present in the blood at times when the consumption of alcohol is prohibited—for example, …
