329 results found
Medical tests
… Anoscopy, proctoscopy, and sigmoidoscopy tests allow your doctor to look at the inner lining of your anus, your … is used to view the inside of the rectum. You will probably have to use an enema or laxative to empty the colon before … to kneel on the table with your bottom raised in the air. When you are in position: Your doctor will gently insert a …
Medical tests
… (also called an echo) uses sound waves to make an image of your heart. A device called a transducer sends sound waves … very slowly, hold your breath, or lie on your left side. When the test is over, the gel is wiped off and the … usually takes 30 to 60 minutes. How It Feels You will not have pain from the echocardiogram. Gel is put on your chest …
Medical tests
… (EMG) measures the electrical activity of muscles when they're at rest and when they're being used. Nerve … cause the muscles to react in ways that aren't normal. If you have leg pain or numbness, you may have these tests to find …
Medical tests
… with an X-ray , ultrasound , or CT scan . For an MRI test, you are placed inside the machine so that your shoulder is … and impingement. MRI may also help diagnose a bone fracture when X-rays and other tests are not clear. MRI is done more … problems. How To Prepare In general, there's nothing you have to do before this test, unless your doctor tells you …
Medical tests
… On this page: Overview Why It Is Done Results Overview Your doctor may take a sample, or biopsy, of abnormal … can be done in your doctor's office or clinic. You may have an injection of a numbing medicine ( local anesthetic … injection can be painful. But local anesthetic is needed when the biopsy is likely to be more painful than the …
Medical tests
… the level of calcium in the blood is carefully controlled. When blood calcium levels get low ( hypocalcemia ), the … of calcium in the body depends on the amount of: Calcium you get in your food. Calcium and vitamin D your intestines … eggs, fish, green vegetables, and fruit. Most people who have low or high levels of calcium do not have any symptoms. …
Medical tests
… a speculum. A pneumatic otoscope has a rubber bulb that your doctor can squeeze to give a puff of air into the ear … looks like. It also shows how well the eardrum moves when the pressure inside the ear canal changes. It helps the … of the ear using an otoscope usually isn't painful. If you have an ear infection, putting the otoscope into the ear …
Medical tests
… different functions of the eye. Some of the tests measure your ability to see details at near and far distances, check … tests. These tests help your doctor find out if you have a problem that affects how well you can see. They … errors, such as nearsightedness or farsightedness , occur when light rays entering the eye can't focus exactly on the …
Medical tests
… Test Overview Cardiac catheterization is a test to check your heart. This test uses a thin, flexible tube called a … this test is used to check for heart problems that have been present since birth ( congenital heart defect ). … work. How To Prepare Follow the instructions exactly about when to stop eating and drinking. If your doctor told you to …
Medical tests
… : Blood antibody test. A blood test checks to see whether your body has made antibodies to H. pylori bacteria. If you … from the arm. Urea breath test A breath sample is collected when you blow into a balloon or blow bubbles into a bottle … or a tap on the arm. The IV medicines will make you feel sleepy. Other side effects—such as heavy eyelids, trouble …