296 results found
Medical tests
… in the follicle. It takes weeks for a hair sample to show changes in the body, because hair grows slowly. Hair samples do not show recent changes in the body, such as drug use within the past few days. But a hair …
Medical tests
… fibrosis have a high level of chloride in their sweat. During the sweat test , medicine that causes a person to … You may help with the test and stay with your child during the test. If you can't stay, you may want to ask a … is done. See if your child might be able to watch a movie during the test. How It Is Done The sweat test is usually …
Medical tests
… to make detailed pictures of the spine and vertebrae . During the test, you will lie on a table that is attached to … machine. The CT scanner sends X-rays through the body. Each rotation of the scanner takes a second and … opening of the scanner, and the scanner moves around your body. The table will move while the scanner takes pictures. …
Medical tests
… helps balance the amounts of water and electrolytes in the body. (Water is the amount of fluid inside and outside the body's cells.) It is also important in how nerves and … low blood pressure, confusion, irritability, paralysis, and changes in heart rhythm. Why It Is Done A urine test to …
Medical tests
… such as the brain, heart, and kidneys. This helps your body prepare for "fight-or-flight" reactions. Your body breaks down these hormones and passes them into your … or fluids with vanilla. Licorice. Do not use tobacco at all during the 24-hour urine collection. Be sure to keep warm …
Medical tests
… called a spiral CT makes circular movements around your body. This doughnut-shaped machine sends low-dose X-rays, or … clothing, such as a bra. You will be given a gown to use during the test. During the test, you will lie on a table … opening of the scanner, and the scanner moves around your body. The table will move while the scanner takes pictures. …
Medical tests
… mouth ( xerostomia ) or swelling in the salivary glands. During a salivary gland scan, the tracer liquid is put into … benefits of the test. Most of the tracer will leave your body through your urine or stool within a day. So be sure to … benefits of the test. Most of the tracer will leave your body through your urine or stool within a day. So be sure to …
Medical tests
… called thyroxine. This hormone controls how fast the body converts food into energy ( metabolism ). Parathyroid … controls the amount of calcium and phosphorus in the blood. During a thyroid and parathyroid ultrasound, a small … called thyroxine. This hormone controls how fast the body converts food into energy ( metabolism ). Parathyroid …
Medical tests
… muscle, nerve, and enzyme function. It also helps the body use energy and is needed to move other electrolytes … sodium) into and out of cells. Most of the magnesium in the body is found in the bones and inside the cells. Only a tiny … level that is not improving with treatment. Look for changes in magnesium levels caused by medicines, such as …
Medical tests
… old red blood cells. Bilirubin is then removed from the body through the stool (feces) and gives stool its normal … cell disease or an allergic reaction to blood received during a transfusion (called a transfusion reaction). … old red blood cells. Bilirubin is then removed from the body through the stool (feces) and gives stool its normal …