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(0018,1012) Date of Secondary Capture3Date
(0018,1014) Time of Secondary Capture3Time
(0018,2010) Nominal Scanned Pixel Spacing3Decimal String
(0028,0030) Pixel Spacing1CDecimal String
(0028,0A02) Pixel Spacing Calibration Type3Code String
(0028,0A04) Pixel Spacing Calibration Description1CLong String
(0040,E008) Document Class Code Sequence3Sequence
(0054,0220) View Code Sequence3Sequence
(0054,0500) Slice Progression Direction3Code String
SC Multi-frame ImageMModule - Image
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Built with by Innolitics, a team of medical imaging software developers.

Data synced with official DICOM standard on 18 April 2024. The DICOM Standard is under continuous maintenance, and the current official version is available at http://www.dicomstandard.org/current/. DICOM Parts 3, 4, and 6, © NEMA. Please note that the most recent PDF version of the standard is the official reference, and should checked when making technical decisions.

Slice Progression Direction Attribute

Tag(0054,0500)
TypeOptional (3)
KeywordSliceProgressionDirection
Value Multiplicity1
Value RepresentationCode String (CS)

Describes the anatomical direction in which a set of slices is progressing (see Section 10.20.1.1). Meaningful only for cardiac images.

Enumerated Values are defined in Section 10.20.1.1.

Section 10.20.1.1

10.20.1.1 Slice Progression Direction

The image or frame order to which the Slice Progression Direction (0054,0500) applies depends on the IOD:

  • In the case of Enhanced Multi-frame IODs, in which a Stack ID (0020,9056) may be defined, Stack ID (0020,9056) shall be used, and the slices are considered in order by In Stack Position Number (0020,9057)

  • In the case of Multi-frame IODs that are not Enhanced, the slices are considered in encoded frame order

  • In the case of single-frame IODs, the order is defined by increasing values of Instance Number

The Enumerated Values depend on the view:

  • If View Code Sequence (0054,0220) indicates a short axis view, such as when it equals (103340004, SCT, "Short Axis"):

    Enumerated Values

    APEX_TO_BASE

    BASE_TO_APEX

  • If View Code Sequence (0054,0220) indicates a vertical long axis view, such as when it equals (131185001, SCT, "Vertical Long Axis"):

    Enumerated Values

    ANT_TO_INF

    Anterior to Inferior

    INF_TO_ANT

    Inferior to Anterior

  • If View Code Sequence (0054,0220) indicates a horizontal long axis view, such as when it equals (131186000, SCT, "Horizontal Long Axis"):

    Enumerated Values

    SEPTUM_TO_WALL

    Septum to Lateral Wall

    WALL_TO_SEPTUM

    Lateral Wall to Septum

Note

The conditions on the choice of Enumerated Values are relatively general, rather than specific to a single coded view, in order to accommodate the echocardiography views defined in CID 12226 “Echocardiography Image View” in PS3.16 , in addition to the views for CT, MR, NM and PET defined in CID 26 “Nuclear Medicine Projection” in PS3.16 .

Section 10.20.1.1

10.20.1.1 Slice Progression Direction

The image or frame order to which the Slice Progression Direction (0054,0500) applies depends on the IOD:

  • In the case of Enhanced Multi-frame IODs, in which a Stack ID (0020,9056) may be defined, Stack ID (0020,9056) shall be used, and the slices are considered in order by In Stack Position Number (0020,9057)

  • In the case of Multi-frame IODs that are not Enhanced, the slices are considered in encoded frame order

  • In the case of single-frame IODs, the order is defined by increasing values of Instance Number

The Enumerated Values depend on the view:

  • If View Code Sequence (0054,0220) indicates a short axis view, such as when it equals (103340004, SCT, "Short Axis"):

    Enumerated Values

    APEX_TO_BASE

    BASE_TO_APEX

  • If View Code Sequence (0054,0220) indicates a vertical long axis view, such as when it equals (131185001, SCT, "Vertical Long Axis"):

    Enumerated Values

    ANT_TO_INF

    Anterior to Inferior

    INF_TO_ANT

    Inferior to Anterior

  • If View Code Sequence (0054,0220) indicates a horizontal long axis view, such as when it equals (131186000, SCT, "Horizontal Long Axis"):

    Enumerated Values

    SEPTUM_TO_WALL

    Septum to Lateral Wall

    WALL_TO_SEPTUM

    Lateral Wall to Septum

Note

The conditions on the choice of Enumerated Values are relatively general, rather than specific to a single coded view, in order to accommodate the echocardiography views defined in CID 12226 “Echocardiography Image View” in PS3.16 , in addition to the views for CT, MR, NM and PET defined in CID 26 “Nuclear Medicine Projection” in PS3.16 .