205 results found
Medical tests
… 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 … and hearing aids. Wear comfortable, loose-fitting clothes. During the test, you will lie on a table that is attached to … table and scanner move. It is very important to lie still during the test. You may be alone in the scan room. But a …
Medical tests
… cyst . Guide the placement of a needle or other tool during a biopsy . Look for fluid buildup in the belly … . An ultrasound also may be done to guide the needle during a paracentesis . This is a procedure to remove fluid … You will be given a cloth or paper to cover yourself during the test. You will lie on your back (or on your side) …
Medical tests
… In some cases, a dye ( contrast material ) may be used during the MRI to show pictures of structures more clearly. … to reduce the noise. You will be asked to hold still during the scan. You may be asked to hold your breath for … technologist will watch through a window and talk with you during the test. How long the test takes The test usually …
Medical tests
… builds up in testicular tissues (nuclear medicine test). During a testicular scan, the tracer is injected into a vein … clothes. You will be given a cloth or paper covering to use during the test. The technologist cleans the site on your … are done about 15 minutes apart. You need to lie very still during each scan to avoid blurring the pictures. The camera …
Medical tests
… can also spread to the fetus of a person who has syphilis during pregnancy. Testing is done on blood, body fluid, or … or treated to avoid long-term problems. Screen for syphilis during pregnancy. Syphilis during pregnancy can cause very serious problems. Confirm …
Medical tests
… much heart muscle has been damaged from the heart attack. During the scan, a camera takes pictures of the heart after … products you take. Some may increase the risk of problems during your test. Your doctor will tell you if you should … your heart muscle. You will be asked to remain very still during each scan. The camera will move to take more pictures …
Medical tests
… fluid, or CSF ) that surrounds the brain and spinal cord. During a spinal tap, a needle is carefully inserted into the … may be present. The pressure of the CSF also is measured during the procedure. Why It Is Done A spinal tap is done … products you take. Some may increase the risk of problems during your test. Your doctor will tell you if you should …
Medical tests
… ( metabolism ). The amount of GH in the blood changes during the day and is affected by exercise, sleep, emotional stress, and diet. Too much GH during childhood can cause a child to grow taller than normal ( gigantism ). Too little GH during childhood can cause a child to grow less than normal …
Medical tests
… constant level. Estriol levels are most often measured only during pregnancy. Estriol is produced in large amounts by … are made mainly in the ovaries and in the placenta during pregnancy. Small amounts are also made by the adrenal … Help find fetal birth defects (especially Down syndrome ) during pregnancy. When the test for estriol is done with …
Medical tests
… how brain waves respond to certain things you look at during the test. Why It Is Done The different … done varies. Electroretinography (ERG) You sit or lie down during the test. Eye drops are used to numb the eye. A tiny … dark adaptation. Different wavelengths of light are used during the test to check for problems with the eye's rod and …
