302 results found
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
… a problem days to months earlier than a regular X-ray test. During a bone scan, a radioactive substance called a tracer … the time. For some types of bone scans, pictures are taken during the tracer injection, right afterward, and then 3 to … clothes. You will be given a cloth or paper covering to use during the test. Your arm will be cleaned where the tracer …
Medical tests
… you are having a hard time getting pregnant (infertility). During the test, a dye ( contrast material ) is put through … hour before your test. This can help with cramps and pain during the test. You may want to bring a sanitary pad to … You may take ibuprofen to help with cramps or pain during the test. You may also get a sedative to help you …
Medical tests
… Progesterone is a female hormone produced by the ovaries during release of a mature egg from an ovary (ovulation). … progesterone levels drop and menstrual bleeding begins. During pregnancy, the placenta also produces high levels of … . Monitor the function of the ovaries and placenta during pregnancy. Help diagnose problems with the adrenal …
Medical tests
… test, take them with only a sip of water. Be sure you have someone to take you home. Anesthesia and pain medicine will … products you take. Some may increase the risk of problems during your test. Your doctor will tell you if you should … test, take them with only a sip of water. Be sure you have someone to take you home. Anesthesia and pain medicine will …
Medical tests
… have fused, it is only done after the skull has been opened during brain surgery. Why It Is Done In babies, cranial … help if the baby is a little hungry. You can feed your baby during the test. This may help calm your baby so he or she will hold still during the test. How It Is Done The test is often done at …
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 …
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
… infection, or injury. Normally, cortisol levels rise during the early morning hours and are highest about 7 a.m. They drop very low in the evening and during the early phase of sleep. But if you sleep during the day and are up at night, this pattern may be …
Medical tests
… You will be given a cloth or paper covering to use during the test. During the scan, you might lie on your back with the … pictures from different angles. You need to stay very still during the scans to avoid blurring the pictures. Afterward, …
