329 results found
Medical tests
… is an eye examination to look at the front part of your eye (anterior chamber) between the cornea and the iris … to see whether the area where fluid drains out of your eye (called the drainage angle ) is open or closed. It … checked for glaucoma. Glaucoma is an eye disease that can cause blindness by damaging the optic nerve . If you have …
Medical tests
… to find germs (such as bacteria or a fungus) that can cause an infection. A sample of stool is added to a substance … This is called sensitivity testing. Depending on what your stool is being tested for, you may only need to collect one stool sample. Or you may …
Medical tests
… Overview A medicine blood level test measures how much of your medicine is in your blood. Your doctor checks it to make sure that you are … This information is about medicines that are not used to control seizures. Why It Is Done Certain types of …
Medical tests
… Information Test Overview A computed tomography (CT) scan uses X-rays to make pictures of the head and face. During the test, you will lie on a table that is attached to the CT scanner, which is a large doughnut-shaped machine. Your head will be positioned inside the scanner. The CT …
Medical tests
… usually affected by the amount of folate and folic acid in your diet each day. Folate deficiency can result in a type … anemia . Mild folate deficiency often does not cause any symptoms. Severe folate deficiency may cause a sore … (other than water) for 8 to 10 hours before the test. If you take any medicines regularly, your doctor will talk to …
Medical tests
… These tests measure electrical activity that occurs in your eye when you look at something. Electrophysiology includes different … test also looks at other cells in the retina. It may be used to check for problems such as: Retina damage from drugs …
Medical tests
… Test Overview A mammogram is an X-ray of the breast that is used to screen for breast cancer . Mammograms can find tumours that are too small for you or your doctor to feel. There are several types of mammograms . …
Medical tests
… X-ray may be one of the first tests done to find a cause of belly pain, swelling, nausea, or vomiting. And other … a body cavity. Confirm the proper position of tubes used by your doctor in your treatment, such as a tube to drain the stomach …
Medical tests
… Test Overview A breast ultrasound uses sound waves to make a picture of the tissues inside the … abnormal results from a mammogram. Look at the breasts in younger women because their breast tissue is often more … See how far cancer has spread in a breast. Check your breasts if you have silicone breast implants or dense …
Medical tests
… under a microscope. Several different methods may be used to obtain a skin sample, depending on the size and … skin infection. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells you to. If you are taking any medicines, …
