how the gamma camera works











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For some years, nuclear images were obtained by using a rectilinear scanner. Currently, nuclear imaging is done with the use of a gamma camera. You can think that this camera takes a picture of a gamma-emitting radioactive source coming out from the patient injected with a radioactive substance. • Outline: • 0:00 Introduction to Radionuclide Imaging • 1:46 Components of Gamma Camera • (Collimator, NaI(Tl) Crystal Scintillator, Photomultiplier Tube (PMT), ADC/Amplifier) • 5:05 Detection System • 7:25 Position and Energy estimation (x-y localizer; Pulse Height Analyzer) • 10:40 Collimators (Pin-hole; Parallel; Converging; Diverging) • 13:00 Event Detection • 14:27 Gamma Camera Imaging System Outro

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