Gamma Camera Objectives
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6 Terms
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What is uniformity
Ability of a gamma camera to produce a uniform image on response to a uniform source of gamma rays
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Sensitivity
Ability of gamma camera to use the available gamma rays
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Resolution
Ability of a gamma camera to reproduce the details of a non uniform source of gamma rays
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Common causes of Non-Uniformity
Wrong photopeak setting
RA Contamination
Electronic component malfunction
Collimator/crystal damage
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What is system tuning and its purpose
Routine calibration of PMT stability system, individual PMTs adjusted to maintain target performance and linearity
Requires Tc-99m point source and collimators off
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What is uniformity calibration and its purpsoe
Note 
Flashcards (24)