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This Concept Map, created with IHMC CmapTools, has information related to: Kristen and Emily's cmap - aquisition, rescales darker and causes mottle, (photon starved), Aliasing Artifact which is laser scans parrallel to grid lines, grid lines or grid cut off, uniform display brightness overexposed rescales lighter, rescales lighter and causes scatter, loss of contrast, saturation, creating proper margins on plate eg 4 margins are ideal, creating proper margins on plate with hands, creating proper margins on plate with wrists forearm elbow ankle, Grids carry the risk of having grid lines, films must be erased at minimum every 48 hours (recommended 24 Hrs.) this is especially critical in pediatric cases, Automatic Rescaling produces uniform display brightness, Digital Aquisition includes Reader Calibration, hands you would use one hand image per 8X10, Digital Aquisition includes Collimation, loss of contrast due to fogging of the film, hands bilateral ball catcher hands two hand images per 10X12, grid cut off which will decrease contrast, laser scans parrallel to grid lines which causes lines across radiograph, Dynamic Range typical response 100 micorR to 100 milliR, causes mottle, (photon starved) which might not be repairable