329 results found
Medical tests
… meal high in phosphorus, having high levels of vitamin D in your body, or having an overactive parathyroid gland . Some … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done This test is … the toilet. Don't save this urine. This marks the start of your 24-hour period. For the next 24 hours, collect all your …
Medical tests
… with the results of a D-xylose test. For this reason, your doctor may instruct you to temporarily stop these … drink a D-xylose solution. To begin the test, a sample of your first urine of the day and a sample of your blood are collected. Next you will drink a D-xylose …
Medical tests
… (BNP) test measures the amount of the BNP hormone in your blood. BNP is made by your heart and shows how well your heart is working. Normally, only a low amount of BNP is …
Medical tests
… much they are affected. These tests check to see how well your spinal nerves are working. They also check the nerves in your arms and legs. Why It Is Done You may need an EMG to find diseases that damage your muscles or nerves or to find out why you can't move …
Medical tests
… if the sputum sample is to be collected at home or in your doctor's office. Bronchoscopy sample Your doctor will tell you how soon before the procedure to … exactly about when to stop eating and drinking, or your surgery may be cancelled. If your doctor has instructed …
Medical tests
… hours before the test. Because this is a test involving your heart, you may have to stay overnight in the hospital … help you relax. You will get a shot of anesthetic to numb your skin and deeper tissues. Then a long, thin needle will be carefully inserted just below your breastbone. (In some cases, the needle is inserted …
Medical tests
… there's nothing you have to do before this test, unless your doctor tells you to. Be sure to tell your doctor if you are using any natural health products. … heel is poked, and several drops of blood are collected. Your baby may have a tiny bruise where the heel was poked. …
Medical tests
… glands then make a hormone called cortisol, which helps your body manage stress. Cortisol is needed for life, so its … ACTH levels may be tested in the morning or evening if your doctor thinks that they are abnormal. Cortisol levels … to eat or drink for 10 to 12 hours before an ACTH test. Your doctor may ask you to eat low-carbohydrate foods for 48 …
Medical tests
… a testicular scan, the tracer is injected into a vein in your arm. It travels through your blood to the testicles. Parts of the testicles where … there's nothing you have to do before this test, unless your doctor tells you to. How It Is Done You will need to …
Medical tests
… takes pictures of the organs and other structures in your upper belly. It uses sound waves to show images on a … to send bile to the bowels (intestines) . The bile helps your body digest food and absorb vitamins that dissolve in … Kidneys . This pair of organs is in the upper part of your belly, but toward your back. The kidneys remove wastes …