Myths and Facts about X-rays and other Scans

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Myths and Facts about X-rays and other Scans
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INTRODUCTIONX-rays are a type
of radiation called electromagnetic waves. X-ray
imaging creates pictures of the inside of your
body. The images show the parts of your body in
different shades of black and white. This is
because different tissues absorb different
amounts of radiation. Calcium in bones absorbs
x-rays the most, so bones look white. Fat and
other soft tissues absorb less, and look gray.
Air absorbs the least, so lungs look black.
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MYTH ALL SCANS ARE X-RAYSPlain X-rays and CT
scans use X-beam radiation while different scans
dont. An X-ray gives you one picture, for
example of your chest or a limb
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FACT DIFFERENT KIND OF SCANS ARE NEEDED TO IMAGE
DIFFERENT PARTS OF THE BODYX-rays are mainly
useful for looking at bones, so they are commonly
used if you have a fracture. Abdominal X-rays
are only needed if your doctor suspects a few
rare conditions .
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MYTH A SCAN WILL ALWAYS DETECT WHAT IS WRONG
WITH YOUThere are so many conditions that will
not show up on any scan. But doctors have other
investigations such as blood tests and other
instruments and equipment to diagnose these
conditions.
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FACT SCANS SHOULD BE INTERPRETED BY A
SPECIALISTAlthough all doctors are trained to
explain basic X-ray they may miss some finer
details which a specialist, known as a
radiologist, would pick up on. Radiologists
also have high level of expertise in explaining
complex scans like MRI or CT scans.
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MYTH SCANS CAN HAVE SERIOUS SIDE EFFECTSPeople
can also be allergic to certain dyes used during
MRI and CT scans. And may X-rays, CT and MRI
scans are all unsafe during pregnancy as they can
cause deformities and developmental
abnormalities.
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FACT I WOULD KNOW RIGHT AWAY IF I WAS
EXPERIENCING SIDE EFFECTS FROM A SCANThe
radiations side effects tend to develop over long
periods of time, particularly if you are exposed
to radiation on multiple occasions. You wont
feel the radiation or get any obvious symptoms
such as pain or skin rashes.
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