Information About Radiology
Category Image Control Term Gain Compensation Curve Definition of Gain Compensation Curve Graphical Representation Of TGC Settings Across Depth Notes About Gain Compensation Curve Used To Reproduce Standardized Brightness Profiles
Category Image Control Term Zoom Function Definition of Zoom Function Magnify A Region Of Interest To Improve Visualization Of Small Structures Notes About Zoom Function Prefer Optical Or Read Zoom To Preserve Resolution
Category Image Control Term Focal Zone Placement Definition of Focal Zone Placement Setting The Depth Of The Focal Zone To Match The Structure Of Interest Notes About Focal Zone Placement Place At Or Slightly Below Target
Category Image Control Term Depth Gain Compensation Definition of Depth Gain Compensation Synonym For Time Gain Compensation; Depth Dependent Amplification Notes About Depth Gain Compensation Equalizes Brightness With Depth
Category Image Control Term Dynamic Range Definition of Dynamic Range Range of Echo Amplitudes Displayed; Higher Range Shows More Gray Shades Notes About Dynamic Range Affects Contrast and Tissue Differentiation
Category Image Control Term Freeze Frame Definition of Freeze Frame Pause Live Imaging To Capture A Still Image For Measurement Or Documentation Notes About Freeze Frame Often Paired With Cine Loop
Category Image Control Term Time Gain Compensation TGC Definition of Time Gain Compensation TGC Depth-Dependent Gain Adjustments to Compensate for Attenuation With Depth Notes About Time Gain Compensation TGC Used to Equalize Brightness Across Image
Category Image Control Term Color Persistence Definition of Color Persistence Temporal Averaging Of Color Doppler To Smooth Display And Reduce Noise Notes About Color Persistence Increases Apparent Continuity Of Flow
Category Image Control Term Harmonic Suppression Definition of Harmonic Suppression Turning Off Harmonic Processing To Evaluate Fundamental Frequency Information Notes About Harmonic Suppression Useful For Certain Artifacts
Category Image Control Term B Mode Optimization Definition of B Mode Optimization Adjustments To Improve Two Dimensional Grayscale Image Quality Notes About B Mode Optimization Includes Gain, TGC, Focus, And Frequency