Edge Enhancement
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
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Spatial Resolution Metric
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
Signal Averaging (NEX)
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)
Turbulence Index
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
Quality Control (QC)
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
Streaming Artifact
Category Doppler Artifact Term Streaming Artifact Definition of Streaming Artifact Apparent Flow Pattern Caused By Probe Motion Or Tissue Movement Notes About Streaming Artifact Recognize To Avoid Misinterpretation
Peripheral Vascular Resistance
Category Hemodynamic Concept Term Peripheral Vascular Resistance Definition of Peripheral Vascular Resistance Resistance To Flow In Peripheral Circulation Reflected In Doppler Waveforms Notes About Peripheral Vascular Resistance Affects Pulsatility And Diastolic Flow
PET CT Safety
Category Operational Practice Term PET CT Safety Definition of PET CT Safety Radiation Protection, Patient Preparation, And Emergency Procedures Specific To PET CT Notes About PET CT Safety Includes Contamination Control And Waste Management
Justification
Category Radiation Protection Concept Term Justification Definition of Justification Ensuring That The Benefits Of An Imaging Procedure Outweigh The Radiation Risks Notes About Justification Part Of Radiation Protection Framework
Surgical Robotics
Category Subfield Term Surgical Robotics Definition of Surgical Robotics Robotic Systems Assisting Or Performing Surgical Procedures With High Precision And Dexterity Notes About Surgical Robotics Examples: da Vinci System And Robotic Orthopedics