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The most common electro-diagnostic devices are the electrocardiograph (which looks at the electricity of the heart) and the electroencephalograph (which looks at the electricity of the brain). Diagnostic stimulators can be used to stimulate nerves and muscles, and are very useful in distinguishing between different kinds of paralysis or pain. And while we do not commonly think of the metal detector as medical, that's only because we now have x-rays. The first induction balance metal detector was developed by Alexander Graham Bell, years before the x-ray was discovered, to find the bullet fired by an assassin into President Garfield.
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| The Bakken A Library and Museum of Electricity in Life 3537 Zenith Avenue South Minneapolis, MN 55416-4623, USA Join our E-Mail List Contact Us Tele: 612-926-3878 Fax: 612-927-7265 |
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