MediTests
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Peak flow test
Updated: Oct 23, 2009 - 09:55The peak flow test measures how fast and hard you can blow air out of your lungs into something called a peak flow meter. This is usually something that looks like a tube with numbers up the side.
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PEG (percutaneous endoscopic gastrostomy)
Updated: Dec 15, 2009 - 11:18PEG stand for percutaneous endoscopic gastrostomy. It’s a small tube that goes into your stomach through an opening in your abdomen. It’s used so a doctor can give you liquid food directly into your stomach. This means you don’t need to chew or swallow food when you have a PEG.
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PET scan
Updated: Dec 22, 2009 - 11:54PET is short for positron emission tomography. A PET scan shows a 3D picture of how things are working in your body, as well as what it looks like inside. Doctors can see exactly what cells in your body are doing. PET uses glowing atoms that can be followed wherever they go, using a special camer...
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Phlegm test
Updated: Oct 23, 2009 - 09:53A phlegm test is when a doctor takes a sample of your phlegm (mucus) and sends it to a laboratory. In the laboratory, it is tested to see if it contains certain types of bacteria that usually grow if you have the illness being tested for.
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Phosphate test
Updated: Feb 04, 2010 - 14:06A phosphate test is like a regular blood test. Your doctor uses a phosphate test to look at the levels of phosphate in your blood. Phosphate is important because it helps your bone grow. It also helps with making energy and helping your nerves and muscles work.
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Polysomnography
Updated: Nov 12, 2009 - 15:19A polysomnography is another word for a sleep test or a sleep study – doctors use them to find out everything that happens while you are asleep! ‘Poly’ means many, ‘somno’ means dream and ‘graphy’ means recording. So, it just means that doctors can record lots of things while you sleep.
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Positron emission tomography (PET)
Updated: Nov 17, 2009 - 17:09Positron emission tomography (PET) is when a doctor uses a machine to take a scan of your body. A PET scanner creates a 3D picture that shows how things are working inside your body, as well as what it looks like inside. PET uses glowing atoms that can be followed wherever they go to see where e...
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Potassium test
Updated: Feb 04, 2010 - 14:17A potassium test is a kind of blood test that is used to check how much potassium there is in your blood. Potassium is really important to help your nerves and muscles ’talk’ to each other. It’s also helps give your cells food and get rid of rubbish.
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Pulmonary Function Test
Updated: Nov 17, 2009 - 11:07A pulmonary function test (PFT), also called the lung function test, is a group of tests that helps your doctor check how well your lungs are working. They can check how well air is getting in and out, and how well oxygen is being moved from your lungs to your bloodstream.
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Pulse oximetry
Updated: Jan 11, 2010 - 16:38A pulse oximeter is a small machine that measures how much oxygen is being moved around in your bloodstream. Your brain and body need oxygen all the time to stay alive so it’s very important that it’s being carried around your body.
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