329 results found
Medical tests
… there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done Urine sodium can be … sample is done at home. Timed urine collection You collect your urine for a period of time, such as over 4 or 24 hours. Your doctor will give you a large container that holds about …
Medical tests
… the CT scanner, which is a large doughnut-shaped machine. Your head will be positioned inside the scanner. The CT … of a stroke. Find the cause of a loss of consciousness or a changing level of consciousness. Check on the success of … of a stroke. Find the cause of a loss of consciousness or a changing level of consciousness. Check on the success of …
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 … hormone causes uterine contractions. You may also massage your nipples. This tells your body to release oxytocin. …
Medical tests
… For an MRI test, you are placed inside the machine so that your knee is inside the strong magnetic field. MRI can find … The contrast material may be put in a vein ( IV ) in your arm or directly into your knee. There are two main types of MRI—the standard MRI …
Medical tests
… a day-to-day basis. A peak flow meter allows you to measure your peak expiratory flow . A home spirometer allows you to measure your forced expiratory volume at 1 second (FEV1). If you have a lung disease, such as asthma, your doctor may test your peak expiratory flow (PEF) to …
Medical tests
… may affect the results of this test. Be sure to tell your doctor about all the non-prescription and prescription medicines you take. Talk to your doctor about any concerns you have regarding the need … form . How It Is Done The health professional drawing your blood will: Wrap an elastic band around your upper arm …
Medical tests
… labour, and delivery. It keeps track of the heart rate of your baby ( fetus ). It also shows how long each contraction of your uterus lasts. Your baby's heart rate is a good way to tell if your baby is …
Medical tests
… location of the abnormal area. Fine needle breast biopsy. Your doctor inserts a thin needle into a lump or abnormal … and removes a sample of cells or fluid. Core needle biopsy. Your doctor makes a small cut in the skin and inserts a … usually placed at the biopsy site. Open (surgical) biopsy. Your doctor will make a cut in the breast to remove an area …
Medical tests
… These tests measure electrical activity that occurs in your eye when you look at something. Electrophysiology … problems of the retina. A full-field ERG can check how well your entire retina is working. A multifocal ERG (mfERG) … special to prepare for the tests. Follow any instructions your doctor gives you about what to do before your test. For …
Medical tests
… the genitals, which are the penis, scrotum, and testicles. Your doctor will feel the organs and check them for lumps, … do anything special to prepare for an examination done by your doctor. But for comfort, you may want to empty your bladder ahead of time. You will be asked to undress and …
