329 results found
Medical tests
… Test Overview A swallowing study is a test that shows what your throat and esophagus do while you swallow. The test … foods coated with barium. The barium shows the movements of your throat and esophagus on the X-ray while you swallow. Why It Is Done The test helps your doctor see why you're having trouble swallowing. After …
Medical tests
… good treatment, the viral load should go down. Within a few months of treatment, the virus should become undetectable. This means there is very little virus in your blood. Why It Is Done A viral load test is done to watch for changes in an HIV infection. Your doctor uses it to see how well your treatment is …
Medical tests
… and the amount of potassium you eat. The hormone levels in your body, severe vomiting, and taking certain medicines … diet has enough potassium for the body's needs. But if your levels get low, it can take some time for your body to start holding on to potassium. A potassium …
Medical tests
… High levels of phosphate in the urine also may be caused by eating a meal high in phosphorus, having high levels of vitamin D in your body, or having an overactive parathyroid gland . Some … High levels of phosphate in the urine also may be caused by eating a meal high in phosphorus, having high levels of …
Medical tests
… the end of the first trimester and continuing until the baby is born. Levels of progesterone in a pregnant woman are … for up to 4 weeks before having a progesterone test. Tell your doctor if you have had a test that used a radioactive … radioactive tracer can interfere with the test results. Let your doctor know the first day of your last menstrual …
Medical tests
… caused a fetus to be stillborn. Find out the cause of a baby's birth defects or disability. Help determine the … obtained from karyotyping can have a profound impact on your life, you may want to see a doctor who specializes in … what karyotype test results mean for you, such as your risk for having a child with an inherited (genetic) …
Medical tests
… 24 hours. Uric acid is made from the natural breakdown of your body's cells. It's also made from the foods you eat. Your kidneys take uric acid out of your blood and put it into urine so that it can leave your …
Medical tests
… of lactic acidosis include rapid breathing, excessive sweating, cool and clammy skin, sweet-smelling breath, belly … exercise for several hours before the test. Do not clench your fist while having your blood drawn for a lactic acid … body's cells. Extremely strenuous exercise or extreme overheating. Poisoning by alcohol (ethanol), wood alcohol …
Medical tests
… in the blood. This causes high blood pressure, excessive sweating, headaches, fast heartbeats (palpitations), and … test. Do not use tobacco for 4 hours before the blood test. Your doctor may ask you to stop certain medicines, such as … in the blood. This causes high blood pressure, excessive sweating, headaches, fast heartbeats (palpitations), and …
Medical tests
… there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done You will need to … X-ray pictures are needed for clear pictures of the face. Your head may need to be repositioned for each view. Hold … a lead apron will be put over your belly to protect the baby from exposure to radiation from the X-rays. The chance …