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 aldosterone level will be high while a renin level will …
Medical tests
… dye ( contrast material ) is put in a vein ( IV ) in your arm or hand to make the blood vessels easier to see on … or blockage in the coronary arteries. This can occur when there is a buildup of fat ( cholesterol ) and calcium … or dye is used, you may feel a quick sting or pinch when the IV is started. The dye may make you feel warm and …
Medical tests
… provinces test newborns for sickle cell disease. Talk with your doctor for more information. Why It Is Done A sickle … blood are collected. How It Feels Blood sample from a vein When a blood sample is taken, you may feel nothing at all … A brief pain, like a sting or a pinch, is usually felt when the lancet punctures the skin. Your baby may feel a …
Medical tests
… checks for antibodies to the Toxoplasma gondii parasite . Your body's natural defence system ( immune system ) will … and goes away on its own. But if a pregnant woman becomes infected and passes it on to her growing baby (fetus), … 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
… there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health … 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
… (PTH) regulates the levels of calcium and phosphorus in your blood. When the phosphorus level is measured, a vitamin D level, … This test will take a few minutes. How It Feels Blood test When a blood sample is taken, you may feel nothing at all …
Medical tests
… by the adrenal glands . Aldosterone levels tell the kidneys when to hold sodium in the body instead of passing it in the … Small amounts of sodium are also lost through the skin when you sweat. Most foods have sodium naturally in them or … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done Urine sodium can be …
Medical tests
… prolactin, which is made by the pituitary gland , in your blood. Pregnant women have high levels of prolactin, … a hard time becoming pregnant ( infertile ). In a man when a pituitary gland problem is suspected. Also, a … (erectile dysfunction). Prolactin levels may be checked when a man's testosterone levels are really low. To see …
Medical tests
… there's nothing you have to do before this test, unless your doctor tells you to. If an older baby is having the … it may help if the baby is a little hungry. You can feed your baby during the test. This may help calm your baby so … care unit (NICU). Your baby will lie on his or her back. A device called a transducer is moved across the soft …
Medical tests
… there's nothing you have to do before this test, unless your doctor tells you to. Be sure to tell your doctor if you … A brief pain, like a sting or a pinch, is usually felt when the lancet punctures the skin. Your baby may feel a … discomfort with the skin puncture. Blood sample from a vein When a blood sample is taken, you may feel nothing at all …
