CHANGES IN MEDICAL TECHNOLOGY BY THOMAS BRAIN. The Black Plague.

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CHANGES IN MEDICAL TECHNOLOGY BY THOMAS BRAIN

Transcript of CHANGES IN MEDICAL TECHNOLOGY BY THOMAS BRAIN. The Black Plague.

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CHANGES IN MEDICAL TECHNOLOGY

BY THOMAS BRAIN

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The Black Plague

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The term “Black Death” is recent. During the plague it was called “The Great Mortality” or “Pestilence”

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The Black Death might of killed 200 million Europeans between 1348 and 1351.

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Most experts agree that the plague was caused by Yersinia Pestis (or Y.pestis), a bacillus carried by fleas that live primarily on rats and other rodents that were common in medieval dwellings.

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On November 2000 study's of tooth pulp in a French plague grave showed the presence of Y.pestis in all 20 samples from three victims.

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Virtually nobody suspected the ever- peasant rats and fleas.

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Of 140 Dominican brothers in Montpellier, only seven survived.

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People say the the plague started in Africa then Asia, and spread through Europe.

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PROGRESS IN MEDICAL TECHNOLOGY

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X-RAYS

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X-rays are made in a highly evacuated glass bulb.

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The X-ray was discovered in Germany.

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The X-ray was first discovered in 1895.

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The x-ray was discovered by Wilham Conrad Roentgen.

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MRI

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The MRI was invented by Dr. Raymond Damadian.

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Even dogs can get an MRI scanning.

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MRIs differ other imaging techniques.

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ECG

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An ECG machine works by recording the electrical impulse emitted by the heart.

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The biggest part of the ECG machine is the circuity box.

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The impulses are recorded in pairs.

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Immunisation

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Immunisations saves lives.

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Immunisation prevents 2-3 million deaths per year.

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An estimated 19.3 million children under the age of one bid not receive DTP3 vaccine.