329 results found
Medical tests
… Test Overview An echocardiogram (also called an echo) uses sound waves to make an image of your heart. A device called a transducer is moved across your chest. It looks like a microphone. The transducer sends …
Medical tests
… Why It Is Done The carcinoembryonic antigen (CEA) test is used to monitor a person before and during treatment. Along … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health … Normal Each lab has a different range for what's normal. Your lab report should show the range that your lab uses for …
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
… Results Test Overview A thyroid scan uses a radioactive tracer and a special camera to measure … or can be injected into a vein. It travels through your body, giving off radiation signals. The camera "sees" … medicines or supplements for a while before the test. Tell your doctor about all of the medicines and natural health …
Medical tests
… these smaller parts to find a health problem. CK might be used to help diagnose a heart attack. This topic focuses on … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done A health … Normal Each lab has a different range for what's normal. Your lab report should show the range that your lab uses for …
Medical tests
… (sugar bound to hemoglobin) than normal. An A1c test can be used to diagnose prediabetes or diabetes. The A1c test … is in the plasma part of blood. This test shows how well your diabetes has been managed in the last 2 to 3 months and whether your diabetes treatment plan needs to be changed. This test …
Medical tests
… Test Overview The slit lamp examination uses a tool that provides a magnified, three-dimensional … view of the parts of the eye . During the examination, your doctor can look at the front parts of the eye. These … lamp examination. Eyedrops may be used to widen (dilate) your pupils and to numb the surface of your eyes. Before the …
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
… rectum . Guided by ultrasound, a spring-loaded needle is used to take samples from the prostate through the rectal … Why It Is Done You may need a prostate biopsy if your doctor found something of concern in your lab work or during your examination. A biopsy can help …
Medical tests
… page: Test Overview Test Overview Radioactive tracers are used in imaging tests that help find problems inside the … the benefits of the test. Most of the tracer will leave your body through your urine or stool within a day. So be sure to flush the …
