329 results found
Medical tests
… pictures of the spine and vertebrae . During the test, you will lie on a table that is attached to the CT scanner, … of the scanning machine can tilt to follow the curve of your spine. All of the pictures are saved as a group on a … unless your doctor tells you to. Tell your doctor if you get nervous in tight spaces. You may get a medicine to help …
Medical tests
… 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 … face, and skull, such as temporomandibular disorder or Paget's disease . Find broken bones (fractures), such as a …
Medical tests
… ) may occur. In people infected with HIV who are not getting treated, CD4+ counts generally decrease as HIV … are done to: Monitor how the HIV infection is affecting your immune system. Help diagnose acquired immune deficiency syndrome (AIDS) . If you don't get treatment, HIV infection can progress to AIDS. …
Medical tests
… to take pictures of the salivary glands . This can help your doctor find the cause of dry mouth ( xerostomia ) or … gland scan, the tracer liquid is put into a vein ( IV) in your arm. The tracer moves through your blood and into the … you may want to pump enough breast milk before the test to get through 1 to 2 days of feeding. The radioactive tracer …
Medical tests
… in genes called BRCA1 and BRCA2. This test can help you know your chance of getting breast cancer and ovarian cancer . A BRCA gene test …
Medical tests
… (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 … is called the baseline. Then you will exercise, or you will get a medicine that makes your heart work hard. Then you …
Medical tests
… Test Overview Blood type tests are done before a person gets a blood transfusion and to check a pregnant woman's … people have one of four blood types: A, B, AB, or O. If your red blood cells have: The A antigen. You have type A blood. The liquid portion of your blood …
Medical tests
… A cardiac perfusion scan measures the amount of blood in your heart muscle at rest and after it has been stressed. It … after a heart attack to see if areas of the heart are not getting enough blood or to find out how much heart muscle … by a heart attack. A set of pictures will be made when you are at rest and after your heart has been stressed, …
Medical tests
… pictures of structures inside of the body. During the test, you will lie on a table that is attached to the CT scanner, … material may be used. It may be put in a vein ( IV ) in your arm. Or it may be placed into other parts of your body … unless your doctor tells you to. Tell your doctor if you get nervous in tight spaces. You may get a medicine to help …
Medical tests
… . Cortisol is made by the adrenal glands. Cortisol levels get higher when the pituitary gland releases … 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 reversed. If you do not have this daily change in cortisol levels, you …