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12 Cards in this Set
- Front
- Back
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Scan Controller is responsible for... |
Timing and operation of table, gantry and high voltage generator. |
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High voltage generator |
Produces high voltage potential between cathode and anodewhat |
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What measures the x-ray's passing through patient's body? |
Detector elements |
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Where are detector elements |
In the gantry opposite the tube |
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What is the attenuation information converted into? |
Tiny electrical signals |
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What are amplified electrical signals |
analog signals |
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When was CT first introduced? |
1973 |
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First Generation x-ray beam called |
Pencil beam |
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First Generation x-ray beam called |
Pencil beam |
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First generation scanner, how it worked |
Both tube and detector moved while patient stationary |
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First Generation Scanner |
Pencil beam Single detector |
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Second Generation Scanner |
Fan beam Multi-detector - straight line |
