Image Control

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

Category Image Control Term Depth Control Definition of Depth Control Adjustable Parameter That Sets Maximum Imaging Depth Notes About Depth Control Shallow Depth Improves Resolution And Frame Rate

Category Image Control Term Manual Gain Definition of Manual Gain Operator Adjusted Amplification Of Received Signals Notes About Manual Gain Used Alongside TGC For Image Optimization

Category Image Control Term Gain Definition of Gain Amplification of Received Echoes to Adjust Overall Image Brightness Notes About Gain Excessive Gain Obscures Detail; Low Gain Hides Structures