329 results found
Medical tests
… the mouth and gently moved down the throat. It goes through your esophagus , stomach, and duodenum until it reaches the … help move the tube along. The scope is no thicker than many foods you swallow. When the scope is in your esophagus, your head will be …
Medical tests
… a deficiency of one of several enzymes needed to convert food to energy. Help determine a cause for otherwise … may affect the results of this test. Be sure to tell your doctor about all the non-prescription and prescription … needle to fill it with blood. Remove the band from your arm when enough blood is collected. Put a gauze pad or cotton …
Medical tests
… of the waste product creatinine (say "kree-AT-uh-neen") in your blood and urine. These tests tell how well your kidneys … Another substance, creatine (say "KREE-uh-teen"), is formed when food is changed into energy through a process called …
Medical tests
… Overview A transesophageal echocardiogram is a test to help your doctor look at the inside of your heart. A small device … procedure Follow your doctor's instructions exactly about when to stop eating and drinking before the test. This may … helpful to remember that the probe is no thicker than many foods you swallow. When the probe is in your esophagus, it …
Medical tests
… Test Overview Bronchoscopy is a procedure that allows your doctor to look at your airway through a thin viewing … and uses a straight, hollow metal tube. It is used: When there is bleeding in the airway that could block the … biopsy. To clear the airway of objects (such as a piece of food) that can't be removed with a flexible bronchoscope. …
Medical tests
… a condition called ileocolic intussusception . This occurs when the end of a child's small intestine protrudes into the … loss. How To Prepare For 1 to 3 days before the test, you will drink water, fruit juices, plain coffee or tea, and … On the day before the test: Drink plenty of fluids. If you have kidney, heart, or liver disease and have to limit …
Medical tests
… Overview Fertility awareness is a way to check the changes your body goes through during your menstrual cycle . (It's … abstinence.) Learning about these changes can help you know when you ovulate . You can then time sexual intercourse to … tract. So it's possible to become pregnant if you have sex 5 days before you ovulate. For fertility awareness …
Medical tests
… than a standard angiogram. A standard angiogram involves threading a thin tube called a catheter through an artery in … or blockage in the coronary arteries. This can occur when there is a buildup of fat ( cholesterol ) and calcium … test. Your doctor will let you know if there are certain foods or liquids you should avoid. If you are breastfeeding, …
Medical tests
… Sleep studies are tests that record what happens to your body during sleep. The studies are done to find out … test measures to see if you can stay awake during a time when you are normally awake. If your doctor thinks that you … , before your sleep study. You may be asked to avoid food or drinks with caffeine during the afternoon or evening …
Medical tests
… waves, which vibrate at a certain speed (frequency) and have a certain height (amplitude). The vibration speed of a … determines how loud the sound is (volume). Hearing happens when these sound waves travel through the ear and are turned … as sound. Hearing tests help find what kind of hearing loss you have. The tests measure how well you can hear sounds …
