Equipment design for Rad Protect; Managment of pt rad dose during xrays
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| Collimators | show 🗑
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| show | Positive beam limitation; A feature of current radiographic collimators that automatically adjusts the collimators so that the radiation field size matches the film size
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| show | Internal beam limitation starts with the upper shutters, then the lower shutters which are controlled by the radiographer;
-Stops the production of scatter radiation by reducing off-focus or stem radiation
-Reduces patient exposure
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| show | 15cms below collimator
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| show | Includes the glass envelope encasing the tube, the insulating oil surrounding the tube, the glass window if the tube housing; .5mmAl Equivalent
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| Added filtration | show 🗑
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| Filtration (4) | show 🗑
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| show | Flat contact shield, shadow shields, shaped contact shield, clear lead
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| show | Aluminum or lead inserted between the s-ray source and the patient to modify the quality of the beam across the field of view
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| Compensating filters partially.. | show 🗑
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| Wedge filter | show 🗑
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| show | Comp filter; bilateral wedge filter the filter is thin in the center and the sides are thicker
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| show | Use higher kvp and lower mas. As kVp increases & mAs decreases there is a reduction in contrast. Must be a balance
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| show | the light emitted from the intensifying screens
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| Rare earth screens are | show 🗑
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| show | When the amount of the silver halide in the film is increased
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| Radiographic Grid | show 🗑
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| Air Gap Grid | show 🗑
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| show | SSD must be at least 12 inches (30cm)
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| show | 12 inches
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| Pt average dose for mammo | show 🗑
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| Skull, body dose for CT | show 🗑
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Created by:
rachelbeatty4
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