329 results found
Medical tests
… in the urine or removed from the urinary tract during surgery. Chemical analysis of a kidney stone shows the type … that may prevent more stones from forming. People who have had a kidney stone have a chance of having another one, … of sand or a small piece of gravel. Any stone you find should be kept dry—do not put it in fluid or urine. Put it …
Medical tests
… cortisol (or low ACTH and high cortisol levels) could be caused by a problem with the adrenal glands. Low levels of … Be sure to ask your doctor if there are any foods that you should not eat. Many medicines can change the results of … be caused by: Emotional or physical stress (such as recent surgery or severe pain). Diseases such as Addison's disease …
Medical tests
… to sit very still during an ear examination. A young child should be lying down with their head turned to the side. Or … of the ear using an otoscope usually isn't painful. If you have an ear infection, putting the otoscope into the ear … canals vary in size, shape, and colour. The ear canal is skin-coloured and lined with small hairs and usually some …
Medical tests
… test uses ultrasound to measure the thickness of the skin at the back of the baby's neck. This screening also … fluid. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells you … slowly than normal, is small, or is less developed than it should be for its age. The fetus is abnormally large for its …
Medical tests
… bring something to do or read to pass the time. Arrange to have someone take you home because you may get a sedative … completed. You may need urgent treatment that could include surgery. There is a chance of an allergic reaction to the … conditions. There is always a small chance of damage to cells or tissue from being exposed to any radiation, even …
Medical tests
… to change galactose into glucose, a sugar that your body uses for energy. A person with galactosemia doesn't have one of these enzymes, so high levels of galactose build … or a pinch is usually felt when the lancet punctures the skin. Your baby may have a little discomfort with the skin …
Medical tests
… (TEE) may be done to: Monitor heart function during surgery. Look for masses or blood clots in the upper left … chambers of the heart (cardiac shunt). Help find out if you have endocarditis , which is an infection of the heart's … during your procedure. Your doctor will tell you if you should stop taking any of them before the procedure and how …
Medical tests
… A low pH for long periods may mean that you often have abnormal backflow (reflux) of stomach acid into the … to the stomach. Find out if the esophagus is working as it should. Check how the esophagus works before surgery for GERD. These tests are usually not done if you …
Medical tests
… or SMA-12) look at fewer. The type of chemistry screen you have done depends on what information your doctor is looking … and check how well a treatment is working. Before you have surgery. How To Prepare How you prepare for a chemistry … has a different range for what's normal. Your lab report should show the range that your lab uses for each test. The …
Medical tests
… eating and drinking. If you don't, your surgery may be cancelled. If your doctor told you to take your medicines on … take them with only a sip of water. Tell your doctor if you have recently taken antibiotics. How It Is Done In most … ( Streptococcus ) and staph ( Staphylococcus ). The culture should not show any harmful bacteria or fungi. Normal …
