DICOM PS3.3 2016e - Information Object Definitions

C.7.6.18.2 Respiratory Synchronization Module
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##### C.7.6.18.2 Respiratory Synchronization Module

Table C.7.6.18-2 specifies the attributes of the Respiratory Synchronization Module.

Table C.7.6.18-2. Respiratory Synchronization Module Attributes

Attribute Name | Tag | Type | Attribute Description
--- | --- | --- | ---
Respiratory Motion Compensation Technique | (0018,9170) | 1C | Applied technique to reduce respiratory motion artifacts. Defined Terms: NONE BREATH_HOLD REALTIME Image acquisition shorter than respiratory cycle GATING Prospective gating TRACKING Prospective through-plane or in-plane motion tracking PHASE_ORDERING Prospective phase ordering PHASE_RESCANNING Prospective techniques, such as real-time averaging, diminishing variance and motion adaptive gating RETROSPECTIVE Retrospective gating CORRECTION Retrospective image correction Required if Image Type (0008,0008) Value 1 is ORIGINAL or MIXED. May be present otherwise.
Respiratory Signal Source | (0018,9171) | 1C | Signal source from which respiratory motion is derived. Defined Terms: NONE BELT includes various devices that detect or track expansion of the chest NASAL_PROBE CO2_SENSOR NAVIGATOR MR navigator and organ edge detection MR_PHASE phase (of center k-space line) ECG baseline demodulation of the ECG Required if Image Type (0008,0008) Value 1 is ORIGINAL or MIXED and Respiratory Motion Compensation Technique (0018,9170) equals other than NONE. Otherwise may be present if Image Type (0008,0008) Value 1 is DERIVED and Respiratory Motion Compensation Technique (0018,9170equals other than NONE.
Respiratory Trigger Delay Threshold | (0020,9256) | 1C | Respiratory trigger threshold in percent of the chest expansion for the frame relative to the last Respiratory-Peak. See Section C.7.6.16.2.17.1 for further explanation. Required if Respiratory Motion Compensation Technique (0018,9170) equals other than NONE, REALTIME or BREATH_HOLD and if Image Type (0008,0008) Value 1 is ORIGINAL or MIXED. May be present otherwise.
Respiratory Trigger Type | (0020,9250) | 1C | Characteristic of the respiratory signal used to the define the respiratory triggering. Defined Terms: TIME AMPLITUDE BOTH Required if the value is not TIME, may be present otherwise.

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DICOM PS3.3 2016e - Information Object Definitions