About Text Overlay Abbreviations

In the text overlay, some units of measurement and DICOM field names are abbreviated to fit in viewports. The following table provides a list of abbreviations used and the corresponding meaning.

Abbreviation:	Description:
# of Frames	Number of Frames
Acc#	Accession Number
Acq	Acquisition Information (date, time, and so on)
Acq Matrix	Acquisition Matrix
Alt Pat ID	Other Patient ID
Body Part	Body Part Examined
CAUD	Caudal
cm	centimeters
Compression	Compression Ratio: For lossy DICOM JPEG images, the word “lossy” appears in the compression ratio.
Contrast Agent	Contrast Bolus Agent
Counts	Counts Accumulated
counts/sec	Count Rate (per second)
CRAN	Cranial
deg	degrees
Dist Source-Detect	Distance Source To Detector
Dist Source-Patient	Distance Source To Patient
Duration	Actual Frame Duration (in milliseconds)
Echo #	Echo Number
ET	Echo Train Length
Exp	Exposure (in milliamperes per second)
Exp Time	Exposure Time (in milliseconds)
Flip	Flip Angle (in degrees)
Im	Image Number/Total Number of Images: Key image series and teaching cases also display this information for the originating series, in brackets.
Img Comments	Image Comments
kVp	kilovoltage
KVP	KVP
L	Level (image brightness)
LAO	Left Anterior Oblique
Laterality	Image Laterality
mA	Xray Tube Current (in milliamperes)
mA	milliamperes
mAs	milliamperes per second
mL	milliliters+-
mm	millimeters
mm thk / mm sep	Slick Thickness / Spacing Between Slices (in millimeters)
ms	milliseconds
Operator	Operators Name
Pat Pos	Patient Position
PPS Desc	Performed Procedure Step Description
Protocol	Protocol Name
Radio Phm	Radio Pharmaceutical
RAO	Right Anterior Oblique
Recon Diam	Reconstruction Diameter (in millimeters)
Ref Phys	Referring Physician’s Name
Se	Series Information (date, modality, number, and so on)
sec	seconds
Slice Loc	Slice Location (in millimeters)
sq. cm	square centimeters
St	Study Information (name, date, etc.)
TE	Echo Time (in milliseconds)
TI	Inversion Time (in milliseconds)
Tilt	Gantry Dectector Tilt (in degrees)
TR	Repetition Time (in milliseconds)
View Pos	View Position
Weight	Patient Weight
W	Width (image contrast)
Zoom	Zoom Factor (percentage)