|
KVP
|
(0018,0060)
|
1
|
Average of the peak kilo voltage outputs of the X-Ray generator used for all frames.
|
|
Radiation Setting
|
(0018,1155)
|
1
|
Identify the general level of X-Ray dose exposure.
Enumerated Values:
-
SC
-
low dose exposure generally corresponding to fluoroscopic settings (e.g., preparation for diagnostic quality image acquisition)
-
GR
-
high dose for diagnostic quality image acquisition (also called digital spot or cine)
|
|
X-Ray Tube Current in mA
|
(0018,9330)
|
1C
|
Average of the nominal X-Ray tube currents in milliamperes for all frames.
Required if Exposure in mAs (0018,9332) is not present. May be present otherwise.
|
|
Exposure Time in ms
|
(0018,9328)
|
1C
|
Duration of X-Ray exposure in milliseconds. See Section C.8.7.2.1.1.
Required if Exposure in mAs (0018,9332) is not present. May be present otherwise.
|
|
Exposure in mAs
|
(0018,9332)
|
1C
|
The exposure expressed in milliampereseconds, for example calculated from Exposure Time and X-Ray Tube Current.
Required if either Exposure Time in ms (0018,9328) or X-Ray Tube Current in mA (0018,9330) are not present. May be present otherwise.
|
|
Average Pulse Width
|
(0018,1154)
|
1
|
Average width of X-Ray pulse in msec.
|
|
Acquisition Duration
|
(0018,9073)
|
1
|
The time in seconds needed for the complete acquisition.
See Section C.7.6.16.2.2.1 for further explanation
|
|
Radiation Mode
|
(0018,115A)
|
1
|
Specifies X-Ray radiation mode.
Defined Terms:
-
CONTINUOUS
-
-
PULSED
-
|
|
Focal Spot(s)
|
(0018,1190)
|
3
|
Nominal focal spot size in mm used to acquire this image.
|
|
Anode Target Material
|
(0018,1191)
|
3
|
The primary material in the anode of the X-Ray source.
Defined Terms:
-
TUNGSTEN
-
-
MOLYBDENUM
-
-
RHODIUM
-
|
|
Rectification Type
|
(0018,1156)
|
3
|
Type of rectification used in the X-Ray generator.
Defined Terms:
-
SINGLE PHASE
-
-
THREE PHASE
-
-
CONST POTENTIAL
-
|
|
X-Ray Receptor Type
|
(0018,9420)
|
1
|
Identifies with type of X-Ray receptor is used.
Enumerated Values:
-
IMG_INTENSIFIER
-
-
DIGITAL_DETECTOR
-
|
|
Distance Receptor Plane to Detector Housing
|
(0018,9426)
|
2
|
Distance in mm between the receptor plane and the detector housing. The direction of the distance is positive from receptor plane to X-Ray source.
Note
-
A negative value is allowed in the case of an image intensifier the receptor plane can be a virtual plane located outside the detector housing depending the magnification factor of the intensifier. A negative value is not applicable for the digital detector.
-
Used to calculate the pixel size of the plane in the patient when markers are used, and they are placed on the detector housing.
|
|
Positioner Type
|
(0018,1508)
|
1
|
Defined Terms:
-
CARM
-
-
COLUMN
-
Note
-
The term CARM can apply to any positioner with 2 degrees of freedom of rotation of the X-Ray beam about the Imaging Subject.
-
The term COLUMN can apply to any positioner with 1 degree of freedom of rotation of the X-Ray beam about the Imaging Subject.
|
|
C-arm Positioner Tabletop Relationship
|
(0018,9474)
|
1C
|
Describes for C-arm positioner type systems if positioner and tabletop has the same geometrical reference system.
Enumerated Values:
-
YES
-
-
NO
-
Note
The value NO is intended for mobile systems where there is no table fixed to the system
Required if Positioner Type (0018,1508) equals CARM.
|
|
Acquired Image Area Dose Product
|
(0018,9473)
|
2
|
X-Ray dose, measured in dGy*cm*cm, to which the patient was exposed for the acquisition of this image only.
Note
-
The sum of the Image Area Dose Product of all images of a Series or a Study may not result in the actual area dose product to which the patient was exposed.
-
This may be an estimated value based on assumptions about the patient's body size and habitus.
|