329 results found
Medical tests
… and the amount of potassium you eat. The hormone levels in your body, severe vomiting, and taking certain medicines … diet has enough potassium for the body's needs. But if your levels get low, it can take some time for your body to … too high or too low can be serious. Abnormal levels may cause symptoms such as muscle cramps or weakness, nausea, …
Medical tests
… It Feels Risks Results Test Overview Your esophagus is the tube that connects your throat to your stomach. It moves food and liquid down … can find: A weak lower esophageal sphincter . This may cause reflux. Weak muscle contractions when you swallow. This …
Medical tests
… it is called microalbuminuria. Albuminuria is most often caused by kidney damage from diabetes . But many other … is done to check for albumin in the urine. It helps tell your doctor how well your kidneys are working. This test is done most often to …
Medical tests
… Test Overview Cranial ultrasound uses reflected sound waves to make pictures of the brain and … 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 …
Medical tests
… Test Overview A contraction stress test checks to see if your baby will stay healthy during contractions when you are … During a contraction, the blood and oxygen supply to your baby drops for a short time. This is not a problem for … test, you are given the hormone oxytocin. This hormone causes uterine contractions. You may also massage your …
Medical tests
… to find germs (such as bacteria or a fungus ) that can cause an infection. A sample of cells from the back of your throat is added to a substance that promotes the growth … there's nothing you have to do before this test, unless your doctor tells you to. Tell your doctor if you have …
Medical tests
… as you want up to 1 hour before the test. Be sure to tell your doctor about all the non-prescription and prescription … blood sample is drawn. How It Is Done A health professional uses a needle to take a blood sample, usually from the arm. … the digestive hormone secretin is injected into a vein in your arm. More blood samples are taken at the time of the …
Medical tests
… prolactin, which is made by the pituitary gland , in your blood. Pregnant women have high levels of prolactin, … times of physical or emotional stress. Many medicines can cause prolactin levels to go up. Tumours of the pituitary … be asked to rest quietly for up to 30 minutes before having your blood drawn. Stimulation of the nipples can raise …
Medical tests
… that indicate mononucleosis (mono), which is usually caused by the Epstein-Barr virus (EBV) . The antibodies are … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done The rapid mono test is done on a small sample of blood taken from your fingertip or from a vein. The Epstein-Barr antibody …
Medical tests
… less is found in the urine. Kidney problems can cause high or low levels of phosphate in the urine. High … meal high in phosphorus, having high levels of vitamin D in your body, or having an overactive parathyroid gland . Some … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done This test is …
