MediHealth
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Radiation
Updated: Dec 22, 2009 - 11:57Radiation is invisible particles that come out of a machine in a special kind of invisible beam. It can be used to see inside you and is also used in the treatment of cancer. It is aimed right at your cancer cells and kills any that are in its path! Although normal cells are also in its path, the...
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Radiographer
Updated: Feb 02, 2010 - 14:26A radiographer is an expert at taking X-rays and scans. These can include X-rays, MRIs or CT scans. A radiographer will take the pictures and send them to a radiologist. A radiologist is trained to understand what the photos mean and will be able to tell if any problems show up. A radiographer...
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Radiologist
Updated: Feb 02, 2010 - 14:32A radiographer takes pictures of the inside of your body, such as X-rays and MRIs and CT scans. A radiologist figures out what these pictures mean. When the radiologist looks at the pictures, they look for signs to tell them if there’s anything wrong with you and what the problem might be. Ra...
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Radiotherapy
Updated: Dec 22, 2009 - 11:56Radiotherapy is a treatment for cancer. It is used when the cancer cells are gathered together in one place. It attacks them from outside, using invisible particles, called radiation, which can kill them. Radiotherapy is sometimes given before, during or after chemotherapy for better killing powe...
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Rectum
Updated: Nov 17, 2009 - 14:39Rectum is another word for your bum! It's the last part of your large intestine and it ends in your anus. ...
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Red blood cell
Updated: Nov 17, 2009 - 14:39Red blood cells are the transporter cells of your blood. Another name for red blood cells is erythrocytes. Their main job is to collect oxygen from the alveoli in your lungs and deliver it all around your body. They also collect waste products from different parts of your body and take them...
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Refractive error
Updated: Nov 17, 2009 - 14:40A refractive error is a problem your eye has in focusing light on your retina. So, you need to wear glasses or contact lenses to help your eyes focus properly. Examples of refractive errors are short sightedness and astigmatism. If you don’t have the refractive error corrected, you will not ...
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Renin test
Updated: Feb 02, 2010 - 14:35A renin test is just a blood test that checks for a protein called renin. It’s sometimes also called a plasma renin activity (PRA) or random plasma renin test.
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Respiratory system
Updated: Nov 17, 2009 - 14:40Your respiratory system lets oxygen be exchanged for carbon dioxide. When air that you have breathed gets into your lungs, oxygen floats into your bloodstream, which takes it to every part of your body. There are lots of other things in the air that you don't want to breathe into your lungs thou...
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Restless legs syndrome
Updated: Dec 22, 2009 - 11:58Restless legs syndrome (sometimes called Ekbom's syndrome) is when you have an uncomfortable feeling in your legs. Usually, this will make you want to move them to get some relief. This feeling normally gets worse when you lie down to go to sleep or you rest your legs. This means that sometimes, ...
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