Information About Radiology
Category Imaging Quality Term Axial Resolution Definition of Axial Resolution Ability to Distinguish Two Closely Spaced Reflectors Along the Beam Axis Notes About Axial Resolution Improved by Higher Frequency and Shorter Pulse Length
Category Facility Component Term Control Booth Window Definition of Control Booth Window Lead Glass Window Allowing Visual Monitoring From Shielded Control Area Notes About Control Booth Window Provides Visibility While Maintaining Protection
Category Positioning Term Supine Position Definition of Supine Position Patient Lying On Back For Many Abdominal And Trauma Radiographs Notes About Supine Position Common In Unstable Or Trauma Patients
Category Image Degradation Term Motion Unsharpness Definition of Motion Unsharpness Blurring Caused By Patient Or Organ Motion During Exposure Notes About Motion Unsharpness Reduced By Shorter Exposure Time And Immobilization
Category Procurement Tool Term Vendor Performance Scorecard Definition of Vendor Performance Scorecard Metrics And Scores To Evaluate Vendor Reliability, Quality, And Support For Imaging Supplies Notes About Vendor Performance Scorecard Informs Contract Decisions
Category Image Filter Term Edge Enhancement Definition of Edge Enhancement Processing That Accentuates Boundaries To Improve Perceived Sharpness Notes About Edge Enhancement May Increase Noise And Artifacts If Overused
Category Image Quality Metric Term Spatial Resolution Metric Definition of Spatial Resolution Metric Quantitative Measure Of Smallest Detail Resolvable By System Notes About Spatial Resolution Metric Assessed With Phantoms And MTF
Category Acquisition Strategy Term Signal Averaging (NEX) Definition of Signal Averaging (NEX) Repeating Acquisition To Improve SNR At Cost Of Increased Scan Time Notes About Signal Averaging (NEX) Also Called Number Of Excitations (NEX)
Category Flow Metric Term Turbulence Index Definition of Turbulence Index Quantitative Measure Of Flow Disturbance Derived From Spectral Broadening Notes About Turbulence Index Research And Advanced Vascular Assessment
Category Operational Practice Term Quality Control (QC) Definition of Quality Control (QC) Routine Tests And Procedures To Ensure System Performance And Safety Notes About Quality Control (QC) Includes Daily, Weekly, And Annual Checks