TID 3508 Gradient Measurement
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### TID 3508 Gradient Measurement

The Gradient Measurement Template consists of a CONTAINER, with an acquisition context of the measurement anatomic site, and containing the gradient measurement. This implies that the name of the measurement is effectively post-coordinated from the measurement name, the Hemodynamic Measurement Group container (procedure phase) name, and the acquisition context (finding site) value.

Type:

  Extensible

Order:

  Significant

Table TID 3508. Gradient Measurement

| NL | Rel with Parent | VT | Concept Name | VM | Req Type | Condition | Value Set Constraint
--- | --- | --- | --- | --- | --- | --- | --- | ---
1 |  |  | CONTAINER | EV (122123, DCM, "Gradient assessment") | 1 | M |  |
2 | > |  | INCLUDE | DTID 3530 “Hemodynamic Acquisition Context” | 1 | MC | XOR with Rows 3 & 4 IFF single location is appropriate | $LocationName = EV (G-C0E3, SRT, "Finding Site") $LocationValue = DCID 3610 “Gradient Source Locations”
3 | > |  | INCLUDE | DTID 3530 “Hemodynamic Acquisition Context” | 1 | MC | XOR with Row 2 IFF a dual location is appropriate | $LocationName = EV (121116, DCM, "Proximal Finding Site") $LocationValue = DCID 3630 “Cardiovascular Anatomic Locations”
4 | > |  | INCLUDE | DTID 3530 “Hemodynamic Acquisition Context” | 1 | MC | XOR with Row 2 IFF a dual location is appropriate | $LocationName = EV (121117, DCM, "Distal Finding Site") $LocationValue = DCID 3630 “Cardiovascular Anatomic Locations”
5 | > | CONTAINS | INCLUDE | DTID 300 “Measurement” | 1-n | M |  | $Measurement = EV (F-023F7, SRT, "Pressure Gradient") $Units = DCID 3500 “Pressure Units” $Derivation = DCID 3627 “Measurement Type”
6 | > | CONTAINS | INCLUDE | DTID 3550 “Pressure Waveform Measurements” | 1-n | U |  |

Content Item Descriptions

Row 5 | Is used to encode the gradient measurements. Uses TID 300 “Measurement” for the content item structure of the measurements. That template allows an INFERRED FROM relationship to other numeric measurements used in the computation or derivation of the current measurement. In the case of a gradient measurement, the pressure measurements at the distal and proximal locations may thus be explicitly conveyed.

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