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RADIOGRAPHIC GRIDS

RADIOGRAPHIC GRIDS

RADIOGRAPHIC GRIDS. GRIDS. INVENTED BY DR. GUSTAV BUCKY. GRIDS. DEVICES THAT REDUCE THE AMOUNT OF SCATTERED RADIATION REACHING THE IMAGE RECEPTOR. GRIDS DO NOT REDUCE THE AMOUNT OF SCATTER RADIATION REACHING THE IMAGING PERSONNEL. GRIDS DO INCREASE RADIATION EXPOSURE OF PATIENTS.

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1.38k views • 50 slides
Radiographic Grids II

Radiographic Grids II

Radiographic Grids II. By Professor Stelmark. Ideally, grids would absorb all scattered radiation and allow all transmitted photons to reach the image receptor. In reality, however, some scattered photons pass through to the image receptor and some transmitted photons are absorbed.

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1.13k views • 27 slides
SCATTER AND GRIDS

SCATTER AND GRIDS

SCATTER AND GRIDS. Chapter 6, Fauber Supplement-Chapter 14, Bushong. REVIEW:MATTER OR TUBE INTERACTION?. Bremsstrahling Characteristic Coherent Compton Exit/remnant Infrared Photoelectric. Scatter. Which interaction causes scatter? What factors increase scatter?

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338 views • 16 slides
RAD 354 Chapt . 11 Control of Scatter

RAD 354 Chapt . 11 Control of Scatter

RAD 354 Chapt . 11 Control of Scatter. Break down into: Those that reduce pt. dose and those that are geometrical in nature and those NOT! 3 factors affecting scatter (primary) Increased kVp Increased field size Increased pt. thickness. Spatial Resolution & Contrast Resolution.

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351 views • 15 slides
RAD 354 Chapt . 11 Control of Scatter

RAD 354 Chapt . 11 Control of Scatter

RAD 354 Chapt . 11 Control of Scatter. Break down into: Those that reduce pt. dose and those that are geometrical in nature and those NOT! 3 factors affecting scatter (primary) Increased kVp Increased field size Increased pt. thickness. Spatial Resolution & Contrast Resolution.

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247 views • 15 slides

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