96 results found
Medical tests
… (MRA) is a type of magnetic resonance imaging (MRI) scan that uses a magnetic field and pulses of radio wave … from an X-ray , ultrasound , or computed tomography (CT) scan . MRA can find problems with the blood vessels that may … an IV. You will lie on a table that's part of the MRI scanner. The table will slide into the space that contains …
Medical tests
… table that passes through a doughnut-shaped opening in the scanner. A special dye ( contrast material ) is put in a … arm or hand to make the blood vessels easier to see on the scan. If you are having this test to look at your heart and … the test. The table slides into the round opening of the scanner. The table will move during the scan. The scanner …
Medical tests
… guide the sampling, other ways of imaging such as MRI or CT scans may also be used. A prostate biopsy may be done: When … people have a prostate imaging test, such as an MRI or a CT scan, before their biopsy. The test results are used during … where the samples will be taken. If you had an MRI or CT scan, the test results will also be used to guide the …
Medical tests
… gland. The RAIU test often is done along with a thyroid scan, which shows if the tracer is evenly spread in the … by the thyroid gland. This isn't an X-ray machine—it's a scanner that detects the radiation given off by the tracer. … done 3 to 6 hours after you are given the tracer. Another scan may be done in 24 hours. After an RAIU test, you can do …
Medical tests
… by ultrasound is called a sonogram, an echogram, or a scan. Pictures or videos of the ultrasound images may be … There are no known risks from having this test. Results The scans from the test will be read within a short time. … by ultrasound is called a sonogram, an echogram, or a scan. Pictures or videos of the ultrasound images may be …
Medical tests
… knees. These positions help widen the spaces between the bones of the lower spine so that the needle can be inserted … and brain before doing a spinal tap. In some cases, a CT scan or an MRI scan may be done before the spinal tap to … knees. These positions help widen the spaces between the bones of the lower spine so that the needle can be inserted …
Medical tests
… seen on an X-ray , ultrasound , or computed tomography (CT) scan . For an MRI of the head, you lie with your head inside a special machine (scanner) that has a strong magnet. The MRI can show tissue … an IV. You will lie on a table that's part of the MRI scanner. The table will slide into the space that contains …
Medical tests
… is close to the chest wall. A computed tomography (CT) scan , an ultrasound , or fluoroscopy is usually used to … seen on other tests, such as a chest X-ray or a CT scan. A lung biopsy is usually done when other tests can't … lung tissue sample. Needle biopsy Your doctor will use a CT scan, ultrasound, or fluoroscopy to guide the biopsy needle. …
Medical tests
… ejection fraction ). Cardiac Blood Pool Scan Cardiac Catheterization Current as of: … ejection fraction ). Cardiac Blood Pool Scan Cardiac Catheterization Current as of: …
Medical tests
… foot, ankle, knee, hip, or leg. It is done to see whether a bone has been fractured or a joint dislocated . It is also … or damage from conditions such as an infection, arthritis , bone growths (tumours), or other bone diseases, such as osteoporosis . Why It Is Done …