270 results found
Medical tests
… results from a chest X-ray are not normal or do not give enough information about the chest problem, more specific … airway, or the lungs. A chest X-ray may not be able to see food, nuts, or wood fibres. See if a tube, catheter, or other medical device has …
Medical tests
… procedure. Preparing for the procedure You may need to stop eating and drinking before the day of the procedure. If this … gag reflex. This makes it easier to insert a thin, flexible fibre-optic endoscope (scope). Shortly before the test … help move the tube along. The scope is no thicker than many foods you swallow. When the scope is in your esophagus, your …
Medical tests
… electrocardiogram (EKG or ECG) records the electrical activity of your heart while you do your usual activities. … only during certain activities. These include exercise, eating, sex, stress, bowel movements, and even sleeping. An … How you prepare may depend on the type of monitor you are getting. Be sure to tell your doctor about all the medicines …
Medical tests
… sodium are also lost through the skin when you sweat. Most foods have sodium naturally in them or as an ingredient in … sodium levels have many causes, such as heart failure, malnutrition, and diarrhea. Other electrolytes, such as … sodium levels (hyponatremia) can be caused by a lot of sweating, burns, severe vomiting or diarrhea, drinking too …
Medical tests
… be high while a renin level will be low. Usually a renin activity test is done when the aldosterone level is … abnormal adrenal growth are suspected. How To Prepare Eat foods with a normal amount of sodium (2,300 mg per day) for … be high while a renin level will be low. Usually a renin activity test is done when the aldosterone level is …
Medical tests
… breakdown of your body's cells. It's also made from the foods you eat. Your kidneys take uric acid out of your blood … preparation is needed. You don't need to limit liquids or foods before the test. Make sure you drink enough liquids during the 24-hour test so that you don't get …
Medical tests
… by cells, called G cells, in the stomach lining. When food enters the stomach, G cells trigger the release of … (gastric acid) that helps break down and digest food. When enough gastric acid has been produced by the stomach, … tract . Sometimes a test for gastrin is done after eating a high-protein diet or after receiving an injection …
Medical tests
… rate that speeds up when the baby moves means the baby is getting enough oxygen. Why It Is Done A non-stress test is often … done together with a fetal ultrasound. This is called a biophysical profile (BPP). How To Prepare If you smoke, you …
Medical tests
… analysis to detect the presence or absence of minerals, nutrients, or toxic metals in the body should be confirmed … What the hair sample contains is determined not only by nutrition and internal metabolism but also by external … What the hair sample contains is determined not only by nutrition and internal metabolism but also by external …
Medical tests
… be high while a renin level will be low. Usually a renin activity test is done when the aldosterone level is … your doctor may give you the following instructions: Eat foods with a normal amount of sodium (2,300 mg per day) for … positions and under different conditions, such as not eating before the test or eating foods that contain a …
