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Uses of electromagnetic waves in medicine

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Siobhàn Howe

on 1 October 2014

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Transcript of Uses of electromagnetic waves in medicine

What's an electromagnetic wave ?
• The term electromagnetic wave describes the way electromagnetic radiation moves through space. Different forms of EMR are distinguished by their wavelengths
An historical point
• The discovery of X-Rays happened accidentally in 1895, when Roentgen, a German scientist and physicist, was working with a cathode ray tube in his laboratory.
So, he not only discovered X-Rays but also one of
their most important use.

An historical point
• The gamma rays are discovered in 1900 by Paul Ulrich Villard, a French chemist and physicist. This discovery is associated with the work of the Curies and Becquerel about the radioactivity.
X-rays side effescts
Uses of electromagnetic waves in medicine
Roentgen wife's hand picture by X-Rays procedure
Uses of X-Rays
It’s a type of radiation used for medical diagnosis. X-rays are like any electromagnetic radiation, consisting of energetic particles called photons.
X-rays pass through the skin but are resistant to bones
Uses of Gamma Rays
 -Gamma rays are electromagnetic radiation like X-rays, but they have higher energy.
-Gamma rays are energetic photons or a light wave in the same electromagnetic family as light and x-rays, but much more energetic and so, potentially harmfull. These waves are generated by radioactive atoms and by nuclear explosions.

They can speed aging, reduce immunity to disease, and bring about disastrous changes in the reproductive cells.
The effect of X radiation is cumulative. That is, a number of minor doses over a number of years is equivalent to a large dose at one time.
Gamma rays side effects
Some of the symptoms of radiation sickness include fainting, confusion, nausea and vomiting, diarrhea, hair loss, skin and mouth sores, and bleeding.
Radiation therapy
Radiation therapy is the treatment using penetrating x-rays, gamma-rays, or particles such as protons or neutrons on the affected region of the body to destroy the cancer cells. Radiation therapy is a modern treatment technique where the results are faster with fewer side effects than other more traditional forms of treatment
Searches try to reduce the danger of the patients and care effectively health problems.

As imaging continues to advance, our challenge remains to be mindful of the radiation doses received by our patients, particularly when they are exposed to advanced computed tomography imaging for diagnostic purposes.

Medicine applications are in constant evolution and always tend to the perfection.
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