329 results found
Medical tests
… Is Done A testicular biopsy may be done to help find the cause of male infertility. But this is rare. It may also be … test is not usually used to find testicular cancer . If your doctor thinks you may have cancer, you will probably have an open surgical …
Medical tests
… hormone (LH) test may be done to: Help find out why you can't get pregnant (infertility). LH testing is often used to help evaluate problems with sperm count. Help to … absent menstrual periods (amenorrhea). This can help see if you have started to go through menopause. Find out if a …
Medical tests
… of these) has been injected into the joint. This allows your doctor to see the soft tissue structures of your joint, … material. A special type of X-ray, called fluoroscopy , is used to take pictures of the joint. An arthrogram is used to … your joint. The dye may make your infection worse. Have diabetes or take metformin (such as Glucophage) for your …
Medical tests
… Results Test Overview Retinal imaging uses special cameras and scanners to make magnified images, or pictures, of the back of your eye . This includes the retina. It's the part of the … is working. You may need retinal imaging if: You have diabetes or diabetic retinopathy . These conditions can lead …
Medical tests
… Overview A dilated eye examination lets your eye doctor see the back of your eye ( retina ). It's usually done as part of a regular eye examination. To do the test, the doctor uses a light and a magnifying tool. Why is a dilated eye …
Medical tests
… normally low. Testosterone increases during puberty. This causes boys to develop a deeper voice, get bigger muscles, … See whether a high level of testosterone is causing a boy younger than age 10 to have early signs of puberty. Find out … in a man. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells …
Medical tests
… is a procedure that looks at the space behind your breastbone and between your lungs. This area is called the mediastinum (say … such as infection, inflammation, or cancer. The doctor may use the tube to take a sample of tissue from the area. This …
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 … eye problems that may be caused by other diseases, such as diabetes or rheumatoid arthritis . To keep checking on …
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" … evaluation. How To Prepare To prepare for a thyroid scan: You may need to stop eating for several hours before the …
Medical tests
… Overview A HIDA scan is an imaging test that checks how your gallbladder is working. The gallbladder is a small sac under your liver. It stores bile, a fluid that helps your body … pictures of the tracer as it moves along. Your doctor can use these pictures to look for leaks, blockages, or any …
