123 results found
Medical tests
… You may be asked to turn your head away from the side being scanned so your jawbone is out of the way. You may be asked … You may be asked to turn your head away from the side being scanned so your jawbone is out of the way. You may be asked …
Medical tests
… 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 know that it is … 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 …
Medical tests
… protein is broken down by bacteria in the intestines . The liver normally converts ammonia into urea , which is then … in urine. Ammonia levels in the blood rise when the liver is not able to convert ammonia to urea. This may be … It Is Done An ammonia test is done to: Check how well the liver is working, especially when symptoms of confusion, …
Medical tests
… yellow substance found in bile . It is produced when the liver breaks down old red blood cells. Bilirubin is then … Indirect bilirubin travels through the bloodstream to the liver, where it is changed into a soluble form (direct or … dissolves in water. (It is soluble.) It's made by the liver from indirect bilirubin. Total bilirubin and direct …
Medical tests
… Thyroid and Parathyroid Ultrasound Thyroid Biopsy Thyroid Scan Thyroid-Stimulating Hormone (TSH) Test … Thyroid and Parathyroid Ultrasound Thyroid Biopsy Thyroid Scan Thyroid-Stimulating Hormone (TSH) Test …
Medical tests
… a TV screen. The picture is called a sonogram or ultrasound scan. Why It Is Done Breast ultrasound can add important … a TV screen. The picture is called a sonogram or ultrasound scan. Why It Is Done Breast ultrasound can add important …
Medical tests
… albumin and globulin. Albumin. This is made mainly in the liver. It helps keep the blood from leaking out of blood … beta, and gamma types. Some globulins are made by the liver, while others are made by the immune system . Certain … Why It Is Done Albumin is tested to: Check how well the liver and kidneys are working. Find out if your diet …
Medical tests
… asked to move your joint. You may also have an MRI or a CT scan to get images of the joint. How long the test takes The … asked to move your joint. You may also have an MRI or a CT scan to get images of the joint. How long the test takes The …
Medical tests
… other problems found during a different test such as a CT scan of the urinary system. How To Prepare Having a test can … other problems found during a different test such as a CT scan of the urinary system. How To Prepare Having a test can …
Medical tests
… Test Overview Retinal imaging uses special cameras and scanners to make magnified images, or pictures, of the back … and makes pictures. Optical coherence tomography, or OCT. A scanner uses light waves to form an image of the retina on a … breathe and blink normally while the camera photographs or scans your eyes. It only takes a few minutes to take the …
