# Logical Record Architecture for Health and Social Care
## Discharge Summary Release 0.02

Contents
The content of this release is not comprehensive and is not fully validated and must not be used in live system implementations.
# ELEMENT Domain Model: MaterialFlowRate
An ELEMENT to represent the flow of a quantity of material in a given time. ## Attributes
Name | Data type | Occurs | Description | Value Constraints
--- | --- | --- | --- | ---
name | SC | 1..1 | The name, expressed as a coded value or as plain text, specifies the clinical or administrative concept to which this EHR node corresponds, as labelled in the EHR system in which it was first committed. |
value
Literal value(s): PROPERTY_OBSERVATION_ELEMENT
rc_id | II | 1..1 | The globally-unique identifier by which this node in the EHR hierarchy is referenced in the EHR system to which the data were first committed. This identifier shall be retained by the EHR Recipient and re-used whenever this RECORD_COMPONENT is subsequently included in another EHR_EXTRACT. |
meaning | CD.CV.SCT | 1..1 | The standardised clinical or administrative concept to which the name attribute has been mapped. In archetyped systems it will correspond to the archetype node name. In non-archetyped systems it might be a coded term from an appropriate terminology system. |
code
Semantic expression constraint
synthesised | BL | 1..1 | This attribute value shall be TRUE if this RECORD_COMPONENT has been created in order to comply with this standard , but this point in the EHR hierarchy has no corresponding node in the EHR from which it was extracted. |
value
Default value: false
obs_time | IVL_TS | 0..1 | The date and time, or interval, at which the ITEM actually occurred or was true, if different from the session time of the COMPOSITION. |
value | QTY | 1..1 | The magnitude and (optionally) unit of the quantity of material per unit time (expressed together as a PQ) or in a specified time (expressed together as a RTO). |
## COMPONENT RELATIONSHIPS ### Object of relationships
Name | Subject of relationship | Occurs | Dependency
--- | --- | --- | ---
HasPart | GenericAssessment | 0..* | INDEPENDENT
IsDerivedObservation | Kt/VObservation | 0..* | INDEPENDENT
HasParameterSetting | TreatmentDeviceMaintenance | 0..* | INDEPENDENT
HasParameterSetting | ProductOrSubstanceRelatedActivity2 | 0..* | INDEPENDENT
HasParameterSetting | ProductOrSubstanceRelatedActivity | 0..* | INDEPENDENT
HasParameterSetting | GenericTreatment | 0..* | INDEPENDENT
HasParameterSetting | SpecimenCollection | 0..* | INDEPENDENT
## Item of ENTRY Domain Models ### ProductOrSubstanceRelatedActivity ### GenericAssessment ### GenericTreatment ### Kt/V ### ProductOrSubstanceRelatedActivity2 ### TreatmentDeviceMaintenance ### UreaReductionRatio ## Reference Model Type ## PROPERTY_OBSERVATION_ELEMENT