NEMA NU 1

Abstract

This Standards Publication establishes definitions, quantitative measurements of performance characteristics, and reporting techniques for the specification of the following Gamma camera parameters: <br>a) Intrinsic Spatial Resolution <br>b) Intrinsic Spatial Linearity <br>c) Intrinsic Energy Resolution <br>d) Intrinsic Flood Field Uniformity <br>e) Multiple Window Spatial Registration <br>f) Intrinsic Count Rate Performance in Air <br>g) Intrinsic Spatial Resolution at 75 kcps <br>h) Intrinsic Flood Field Uniformity at 75 kcps <br>i) System Spatial Resolution without Scatter <br>j) System Spatial Resolution with Scatter <br>k) System Planar Sensitivity and Collimator Penetration and Scatter <br>l) Detector Shielding <br>m) System Count Rate Performance with Scatter <br>n) System Alignment <br>o) SPECT Reconstructed Spatial Resolution without Scatter <br>p) SPECT Reconstructed Spatial Resolution with Scatter <br>q) System Volume Sensitivity <br>r) Detector-Detector Sensitivity Variation <br>s) Whole-body System Spatial Resolution without Scatter <br>The following types of medical radionuclide imaging instruments are included in this standard: <br>a) Single detector, single crystal planar Gamma cameras <br>b) Single detector, single crystal tomographic Gamma cameras <br>c) Multiple detector planar and tomographic Gamma cameras <br>d) Whole-body Gamma camera devices <br>e) Discrete pixel detector Gamma cameras <br>The following types of medical radionuclide imaging instruments are not included in this standard: <br>a) Coincidence imaging Gamma cameras or systems (these are covered by NEMA NU 2-2012, "Performance Measurements of Positron Emission Tomographs"). <br>b) All medical radionuclide imaging devices not included above