Image Type

(0008,0008)

1

Image identification characteristics. See Section C.8.3.1.1.1 for specialization.

Samples per Pixel

(0028,0002)

1

Number of samples (planes) in this image. See Section C.8.3.1.1.2 for specialization.

Photometric Interpretation

(0028,0004)

1

Specifies the intended interpretation of the pixel data. See Section C.8.3.1.1.3 for specialization.

Bits Allocated

(0028,0100)

1

Number of bits allocated for each pixel sample. Each sample shall have the same number of bits allocated. See Section C.8.3.1.1.4 for specialization.

Bits Stored

(0028,0101)

1

Number of bits stored for each pixel sample. Each sample shall have the same number of bits stored.

High Bit

(0028,0102)

1

Most significant bit for pixel sample data. Each sample shall have the same high bit. High Bit (0028,0102) shall be one less than Bits Stored (0028,0101).

Scanning Sequence

(0018,0020)

1

Description of the type of data taken.

Sequence Variant

(0018,0021)

1

Variant of the Scanning Sequence.

Scan Options

(0018,0022)

2

Parameters of scanning sequence.

MR Acquisition Type

(0018,0023)

2

Identification of data encoding scheme.

Repetition Time

(0018,0080)

2C

The period of time in msec between the beginning of a pulse sequence and the beginning of the succeeding (essentially identical) pulse sequence.

Required if Sequence Variant (0018,0021) is SK or if Scanning Sequence (0018,0020) is not EP. May be present otherwise.

Echo Time

(0018,0081)

2

Time in ms between the middle of the excitation pulse and the peak of the echo produced (kx=0). In the case of segmented k-space, the TE(eff) is the time between the middle of the excitation pulse to the peak of the echo that is used to cover the center of k-space (i.e., -kx=0, ky=0).

Echo Train Length

(0018,0091)

2

Number of lines in k-space acquired per excitation per image.

Inversion Time

(0018,0082)

2C

Time in msec after the middle of inverting RF pulse to middle of excitation pulse to detect the amount of longitudinal magnetization. Required if Scanning Sequence (0018,0020) has values of IR.

Trigger Time

(0018,1060)

2C

Time, in msec, between peak of the R wave and the peak of the echo produced. In the case of segmented k-space, the TE(eff) is the time between the peak of the echo that is used to cover the center of k-space. Required for Scan Options (0018,0022) that include heart gating (e.g., CG, PPG, etc.).

Sequence Name

(0018,0024)

3

User defined name for the combination of Scanning Sequence (0018,0020) and Sequence Variant (0018,0021).

Angio Flag

(0018,0025)

3

Angio Image Indicator. Primary image for Angio processing.

Number of Averages

(0018,0083)

3

Number of times a given pulse sequence is repeated before any parameter is changed.

Imaging Frequency

(0018,0084)

3

Precession frequency in MHz of the nucleus being addressed.

Imaged Nucleus

(0018,0085)

3

Nucleus that is resonant at the imaging frequency. Examples: 31P, 1H.

Echo Number(s)

(0018,0086)

3

The echo number used in generating this image. In the case of segmented k-space, it is the effective Echo Number.

Magnetic Field Strength

(0018,0087)

3

Nominal field strength of MR magnet, in Tesla.

Number of Phase Encoding Steps

(0018,0089)

3

Total number of lines in k-space in the 'y' direction collected during acquisition.

Percent Sampling

(0018,0093)

3

Fraction of acquisition matrix lines acquired, expressed as a percent.

Percent Phase Field of View

(0018,0094)

3

Ratio of field of view dimension in phase direction to field of view dimension in frequency direction, expressed as a percent.

Pixel Bandwidth

(0018,0095)

3

Reciprocal of the total sampling period, in hertz per pixel.

Nominal Interval

(0018,1062)

3

Average R-R interval used for the scans, in msec.

Beat Rejection Flag

(0018,1080)

3

Beat length sorting has been applied.

Low R-R Value

(0018,1081)

3

R-R interval low limit for beat rejection, in msec.

High R-R Value

(0018,1082)

3

R-R interval high limit for beat rejection, in msec.

Intervals Acquired

(0018,1083)

3

Number of R-R intervals acquired.

Intervals Rejected

(0018,1084)

3

Number of R-R intervals rejected.

PVC Rejection

(0018,1085)

3

Description of type of PVC rejection criteria used.

Skip Beats

(0018,1086)

3

Number of beats skipped after a detected arrhythmia.

Heart Rate

(0018,1088)

3

Beats per minute.

Cardiac Number of Images

(0018,1090)

3

Number of images per cardiac cycle.

Trigger Window

(0018,1094)

3

Percent of R-R interval, based on Heart Rate (0018,1088), prescribed as a window for a valid/usable trigger.

Reconstruction Diameter

(0018,1100)

3

Diameter in mm. of the region from within which data were used in creating the reconstruction of the image. Data may exist outside this region and portions of the patient may exist outside this region.

The diameter defines a circular region that is entirely contained within the encoded Pixel Data (7FE0,0010), unless the encoded image has been cropped after reconstruction.

Receive Coil Name

(0018,1250)

3

Receive coil used.

Transmit Coil Name

(0018,1251)

3

Transmit coil used.

Acquisition Matrix

(0018,1310)

3

Dimensions of the acquired frequency /phase data before reconstruction.

Multi-valued: frequency rows\frequency columns\phase rows\phase columns.

In-plane Phase Encoding Direction

(0018,1312)

3

The axis of phase encoding with respect to the image.

Flip Angle

(0018,1314)

3

Steady state angle in degrees to which the magnetic vector is flipped from the magnetic vector of the primary field.

SAR

(0018,1316)

3

Calculated whole body Specific Absorption Rate in watts/kilogram.

Variable Flip Angle Flag

(0018,1315)

3

Flip angle variation applied during image acquisition.

dB/dt

(0018,1318)

3

The rate of change of the gradient coil magnetic flux density with time (T/s).

Temporal Position Identifier

(0020,0100)

3

Temporal order of a dynamic or functional set of Images.

Number of Temporal Positions

(0020,0105)

3

Total number of temporal positions prescribed.

Temporal Resolution

(0020,0110)

3

Time delta between Images in a dynamic or functional set of Images.

Include Table 10-7 “General Anatomy Optional Macro Attributes”

Anatomic Region Sequence DCID 4030 “CT, MR and PET Anatomy Imaged”.

Include Table 10-25 “Optional View and Slice Progression Direction Macro Attributes”

Include Table C.36.2.4.12-1 “RT Equipment Mapping and Plan Reference Macro Attributes”

B1rms

(0018,1320)

3

B1+ rms value in units of microtesla (µT) for the acquisition producing the image. See [IEC 60601-2-33].