OpenEHR Base package
0.1.0 - First Draft
OpenEHR Base package
0.1.0 - First Draft
OpenEHR Base package, published by openEHR + HL7. This guide is not an authorized publication; it is the continuous build for version 0.1.0 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/openehr-fhir/base-spec/ and changes regularly. See the Directory of published versions
| Page standards status: Informative | Maturity Level: 3 |
XML representation of the INTERVAL-EVENT logical model.
<StructureDefinition xmlns="http://hl7.org/fhir">
<id value="INTERVAL-EVENT"/>
<text>
<status value="extensions"/>
<div xmlns="http://www.w3.org/1999/xhtml"><p class="res-header-id"><b>Generated Narrative: StructureDefinition INTERVAL-EVENT</b></p><a name="INTERVAL-EVENT"> </a><a name="hcINTERVAL-EVENT"> </a><table border="0" cellpadding="0" cellspacing="0" style="border: 0px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top;"><tr style="border: 1px #F0F0F0 solid; font-size: 11px; font-family: verdana; vertical-align: top"><th style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="The logical name of the element">Name</a></th><th style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Information about the use of the element">Flags</a></th><th style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Minimum and Maximum # of times the element can appear in the instance">Card.</a></th><th style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px; width: 100px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Reference to the type of the element">Type</a></th><th style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; padding-top: 3px; padding-bottom: 3px" class="hierarchy"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Additional information about the element">Description & Constraints</a><span style="float: right"><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Legend for this format"><img src="data:image/png;base64,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" alt="doco" style="background-color: inherit"/></a></span></th></tr><tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck1.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_element.gif" alt="." style="background-color: white; background-color: inherit" title="Element" class="hierarchy"/> <a href="StructureDefinition-INTERVAL-EVENT-definitions.html#INTERVAL_EVENT" title="Defines a single interval event in a series. ">INTERVAL_EVENT</a><a href="StructureDefinition-Any.html"><T : Any></a><a name="INTERVAL_EVENT"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a style="padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold; color: #301212; background-color: #fdf4f4;; padding-left: 3px; padding-right: 3px; border: 1px maroon solid; font-weight: bold; color: #301212; background-color: #fdf4f4;" href="http://hl7.org/fhir/R5/conformance-rules.html#constraints" title="This element has or is affected by constraints ( Math_function_validity, Interval_start_time_valid )">C</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..*</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="StructureDefinition-EVENT.html">EVENT</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Defines a single interval event in a series.<br/><br/>Elements defined in Ancestors:<a href="StructureDefinition-LOCATABLE.html" title="Runtime name of this fragment, used to build runtime paths. This is the term provided via a clinical application or batch process to name this EHR construct: its retention in the EHR faithfully preserves the original label by which this entry was known to end users.
">name</a>, <a href="StructureDefinition-LOCATABLE.html" title="Design-time archetype identifier of this node taken from its generating archetype; used to build archetype paths. Always in the form of an at-code, e.g. `at0005`. This value enables a 'standardised' name for this node to be generated, by referring to the generating archetype local terminology.
At an archetype root point, the value of this attribute is always the stringified form of the `_archetype_id_` found in the `_archetype_details_` object.
">archetype_node_id</a>, <a href="StructureDefinition-LOCATABLE.html" title="Optional globally unique object identifier for root points of archetyped structures. ">uid</a>, <a href="StructureDefinition-LOCATABLE.html" title="Links to other archetyped structures (data whose root object inherits from `ARCHETYPED`, such as `ENTRY`, `SECTION` and so on). Links may be to structures in other compositions. ">links</a>, <a href="StructureDefinition-LOCATABLE.html" title="Details of archetyping used on this node.">archetype_details</a>, <a href="StructureDefinition-LOCATABLE.html" title="Audit trail from non-openEHR system of original commit of information forming the content of this node, or from a conversion gateway which has synthesised this node. ">feeder_audit</a>, <a href="StructureDefinition-EVENT.html" title="Time of this event. If the width is non-zero, it is the time point of the trailing edge of the event. ">time</a>, <a href="StructureDefinition-EVENT.html" title="Optional state data for this event.">state</a>, <a href="StructureDefinition-EVENT.html" title="The data of this event.">data</a><br class="constraint"/><span title="null" class="constraint">Constraints: </span><span style="font-weight:bold" title="Math function validity" class="constraint">Math_function_validity</span><span title="null" class="constraint">, </span><span style="font-weight:bold" title="Interval start time valid" class="constraint">Interval_start_time_valid</span><br/></td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_resource.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Resource" class="hierarchy"/> <a href="StructureDefinition-INTERVAL-EVENT-definitions.html#INTERVAL_EVENT.width" title="Duration of the time interval during which the values recorded under `data` are true and, if set, the values recorded under `state` are true. Void if an instantaneous event.">width</a><a href="StructureDefinition-Any.html"><T : Any></a><a name="INTERVAL_EVENT.width"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..1</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="StructureDefinition-DV-DURATION.html">DV_DURATION</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Duration of the time interval during which the values recorded under `data` are true and, if set, the values recorded under `state` are true.</td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: white"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck10.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_primitive.png" alt="." style="background-color: white; background-color: inherit" title="Primitive Data Type" class="hierarchy"/> <a href="StructureDefinition-INTERVAL-EVENT-definitions.html#INTERVAL_EVENT.sample-count" title="Optional count of original samples to which this event corresponds.">sample_count</a><a href="StructureDefinition-Any.html"><T : Any></a><a name="INTERVAL_EVENT.sample_count"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">0..1</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="http://hl7.org/fhir/R5/datatypes.html#integer">integer</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: white; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Optional count of original samples to which this event corresponds.</td></tr>
<tr style="border: 0px #F0F0F0 solid; padding:0px; vertical-align: top; background-color: #F7F7F7"><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px; white-space: nowrap; background-image: url(tbl_bck00.png)" class="hierarchy"><img src="tbl_spacer.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="tbl_vjoin_end.png" alt="." style="background-color: inherit" class="hierarchy"/><img src="icon_resource.png" alt="." style="background-color: #F7F7F7; background-color: inherit" title="Resource" class="hierarchy"/> <a href="StructureDefinition-INTERVAL-EVENT-definitions.html#INTERVAL_EVENT.math-function" title="Mathematical function of the data of this event, e.g. maximum, mean etc. Coded using https://github.com/openEHR/terminology/blob/master/openEHR_RM/en/openehr_terminology.xml[openEHR vocabulary `event math function`]. Default value `640|actual|`, meaning 'actual value'.">math_function</a><a href="StructureDefinition-Any.html"><T : Any></a><a name="INTERVAL_EVENT.math_function"> </a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"/><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">1..1</td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy"><a href="StructureDefinition-DV-CODED-TEXT.html">DV_CODED_TEXT</a></td><td style="vertical-align: top; text-align : var(--ig-left,left); background-color: #F7F7F7; border: 0px #F0F0F0 solid; padding:0px 4px 0px 4px" class="hierarchy">Mathematical function of the data of this event, e.</td></tr>
<tr><td colspan="5" class="hierarchy"><br/><a href="https://build.fhir.org/ig/FHIR/ig-guidance/readingIgs.html#table-views" title="Legend for this format"><img src="data:image/png;base64,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" alt="doco" style="background-color: inherit"/> Documentation for this format</a></td></tr></table></div>
</text>
<contained>
<OperationDefinition>
<id value="interval_start_time"/>
<name value="interval_start_time"/>
<title value="interval_start_time"/>
<status value="active"/>
<kind value="operation"/>
<description value="Start time of the interval of this event."/>
<code value="interval_start_time"/>
<system value="false"/>
<instance value="true"/>
<parameter>
<name value="return"/>
<use value="out"/>
<min value="1"/>
<max value="1"/>
<type value="dateTime"/>
</parameter>
</OperationDefinition>
</contained>
<extension url="http://hl7.org/fhir/tools/StructureDefinition/web-source">
<valueUrl
value="https://specifications.openehr.org/releases/RM/Release-1.1.0/data_structures.html#_interval_event_class"/>
</extension>
<extension
url="http://hl7.org/fhir/tools/StructureDefinition/type-parameter">
<extension url="name">
<valueCode value="T"/>
</extension>
<extension url="type">
<valueUri value="http://openehr.org/fhir/StructureDefinition/Any"/>
</extension>
</extension>
<extension
url="http://hl7.org/fhir/tools/StructureDefinition/type-operation">
<valueCanonical value="#interval_start_time"/>
</extension>
<extension
url="http://hl7.org/fhir/StructureDefinition/structuredefinition-wg">
<valueCode value="fhir"/>
</extension>
<extension url="http://hl7.org/fhir/tools/StructureDefinition/view-hint">
<valueCode value="element-view-replace-cardinality"/>
</extension>
<extension
url="http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm">
<valueInteger value="3">
<extension
url="http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom">
<valueCanonical
value="http://openehr.org/fhir/ImplementationGuide/openehr.base"/>
</extension>
</valueInteger>
</extension>
<extension
url="http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status">
<valueCode value="informative">
<extension
url="http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom">
<valueCanonical
value="http://openehr.org/fhir/ImplementationGuide/openehr.base"/>
</extension>
</valueCode>
</extension>
<url value="http://openehr.org/fhir/StructureDefinition/INTERVAL-EVENT"/>
<version value="0.1.0"/>
<name value="INTERVAL_EVENT"/>
<title value="INTERVAL_EVENT"/>
<status value="active"/>
<experimental value="false"/>
<date value="2025-09-06T15:35:39+10:00"/>
<publisher value="openEHR + HL7"/>
<contact>
<telecom>
<system value="url"/>
<value value="http://www.openehr.org"/>
</telecom>
</contact>
<description value="Defines a single interval event in a series. "/>
<jurisdiction>
<coding>
<system value="http://unstats.un.org/unsd/methods/m49/m49.htm"/>
<code value="001"/>
</coding>
</jurisdiction>
<fhirVersion value="5.0.0"/>
<mapping>
<identity value="rim"/>
<uri value="http://hl7.org/v3"/>
<name value="RIM Mapping"/>
</mapping>
<kind value="logical"/>
<abstract value="false"/>
<type value="http://openehr.org/fhir/StructureDefinition/INTERVAL_EVENT"/>
<baseDefinition value="http://openehr.org/fhir/StructureDefinition/EVENT"/>
<derivation value="specialization"/>
<snapshot>
<extension
url="http://hl7.org/fhir/tools/StructureDefinition/snapshot-base-version">
<valueString value="0.1.0"/>
</extension>
<element id="INTERVAL_EVENT">
<path value="INTERVAL_EVENT"/>
<short value="Defines a single interval event in a series."/>
<definition value="Defines a single interval event in a series. "/>
<min value="0"/>
<max value="*"/>
<base>
<path value="Base"/>
<min value="0"/>
<max value="*"/>
</base>
<constraint>
<key value="Links_valid"/>
<severity value="error"/>
<human value="Links valid must be present"/>
<expression value="links.exists() implies links.empty().not()"/>
<source
value="http://openehr.org/fhir/StructureDefinition/LOCATABLE"/>
</constraint>
<constraint>
<key value="Archetyped_valid"/>
<severity value="error"/>
<human value="Archetyped valid must satisfy exclusive conditions"/>
<expression
value="is_archetype_root() xor archetype_details .empty()"/>
<source
value="http://openehr.org/fhir/StructureDefinition/LOCATABLE"/>
</constraint>
<constraint>
<key value="Archetype_node_id_valid"/>
<severity value="error"/>
<human value="Archetype node id valid must not be empty"/>
<expression value="archetype_node_id.empty().not()"/>
<source
value="http://openehr.org/fhir/StructureDefinition/LOCATABLE"/>
</constraint>
<constraint>
<key value="Offset_validity"/>
<severity value="error"/>
<human value="Offset validity"/>
<expression value="null # TODO: manual translation needed"/>
<source value="http://openehr.org/fhir/StructureDefinition/EVENT"/>
</constraint>
<constraint>
<key value="Offset_validity1"/>
<severity value="error"/>
<human value="Offset validity1 must be present"/>
<expression
value="offset().exists() and then offset() = time.diff (parent().origin)"/>
<source value="http://openehr.org/fhir/StructureDefinition/EVENT"/>
</constraint>
<constraint>
<key value="Math_function_validity"/>
<severity value="error"/>
<human value="Math function validity"/>
<expression value="null # TODO: manual translation needed"/>
</constraint>
<constraint>
<key value="Interval_start_time_valid"/>
<severity value="error"/>
<human value="Interval start time valid"/>
<expression value="interval_start_time() = time - width"/>
</constraint>
<isModifier value="false"/>
<mapping>
<identity value="rim"/>
<map value="n/a"/>
</mapping>
</element>
<element id="INTERVAL_EVENT.name">
<path value="INTERVAL_EVENT.name"/>
<short
value="Runtime name of this fragment, used to build runtime paths."/>
<definition
value="Runtime name of this fragment, used to build runtime paths. This is the term provided via a clinical application or batch process to name this EHR construct: its retention in the EHR faithfully preserves the original label by which this entry was known to end users."/>
<min value="1"/>
<max value="1"/>
<base>
<path value="LOCATABLE.name"/>
<min value="1"/>
<max value="1"/>
</base>
<type>
<code value="http://openehr.org/fhir/StructureDefinition/DV-TEXT"/>
</type>
<isModifier value="false"/>
</element>
<element id="INTERVAL_EVENT.archetype-node-id">
<path value="INTERVAL_EVENT.archetype_node_id"/>
<short
value="Design-time archetype identifier of this node taken from its generating archetype; used to build archetype paths."/>
<definition
value="Design-time archetype identifier of this node taken from its generating archetype; used to build archetype paths. Always in the form of an at-code, e.g. `at0005`. This value enables a 'standardised' name for this node to be generated, by referring to the generating archetype local terminology.
At an archetype root point, the value of this attribute is always the stringified form of the `_archetype_id_` found in the `_archetype_details_` object."/>
<min value="1"/>
<max value="1"/>
<base>
<path value="LOCATABLE.archetype_node_id"/>
<min value="1"/>
<max value="1"/>
</base>
<type>
<code value="string"/>
</type>
<isModifier value="false"/>
</element>
<element id="INTERVAL_EVENT.uid">
<path value="INTERVAL_EVENT.uid"/>
<short
value="Optional globally unique object identifier for root points of archetyped structures."/>
<definition
value="Optional globally unique object identifier for root points of archetyped structures."/>
<min value="0"/>
<max value="1"/>
<base>
<path value="LOCATABLE.uid"/>
<min value="0"/>
<max value="1"/>
</base>
<type>
<code
value="http://openehr.org/fhir/StructureDefinition/UID-BASED-ID"/>
</type>
<isModifier value="false"/>
</element>
<element id="INTERVAL_EVENT.links">
<path value="INTERVAL_EVENT.links"/>
<short
value="Links to other archetyped structures (data whose root object inherits from `ARCHETYPED`, such as `ENTRY`, `SECTION` and so on)."/>
<definition
value="Links to other archetyped structures (data whose root object inherits from `ARCHETYPED`, such as `ENTRY`, `SECTION` and so on). Links may be to structures in other compositions."/>
<min value="0"/>
<max value="*"/>
<base>
<path value="LOCATABLE.links"/>
<min value="0"/>
<max value="*"/>
</base>
<type>
<code value="http://openehr.org/fhir/StructureDefinition/LINK"/>
</type>
<isModifier value="false"/>
</element>
<element id="INTERVAL_EVENT.archetype-details">
<path value="INTERVAL_EVENT.archetype_details"/>
<short value="Details of archetyping used on this node."/>
<definition value="Details of archetyping used on this node."/>
<min value="0"/>
<max value="1"/>
<base>
<path value="LOCATABLE.archetype_details"/>
<min value="0"/>
<max value="1"/>
</base>
<type>
<code value="http://openehr.org/fhir/StructureDefinition/ARCHETYPED"/>
</type>
<isModifier value="false"/>
</element>
<element id="INTERVAL_EVENT.feeder-audit">
<path value="INTERVAL_EVENT.feeder_audit"/>
<short
value="Audit trail from non-openEHR system of original commit of information forming the content of this node, or from a conversion gateway which has synthesised this node."/>
<definition
value="Audit trail from non-openEHR system of original commit of information forming the content of this node, or from a conversion gateway which has synthesised this node."/>
<min value="0"/>
<max value="1"/>
<base>
<path value="LOCATABLE.feeder_audit"/>
<min value="0"/>
<max value="1"/>
</base>
<type>
<code
value="http://openehr.org/fhir/StructureDefinition/FEEDER-AUDIT"/>
</type>
<isModifier value="false"/>
</element>
<element id="INTERVAL_EVENT.time">
<path value="INTERVAL_EVENT.time"/>
<short value="Time of this event."/>
<definition
value="Time of this event. If the width is non-zero, it is the time point of the trailing edge of the event."/>
<min value="1"/>
<max value="1"/>
<base>
<path value="EVENT.time"/>
<min value="1"/>
<max value="1"/>
</base>
<type>
<code
value="http://openehr.org/fhir/StructureDefinition/DV-DATE-TIME"/>
</type>
<isModifier value="false"/>
</element>
<element id="INTERVAL_EVENT.state">
<extension
url="http://hl7.org/fhir/tools/StructureDefinition/view-hint">
<extension url="name">
<valueCode value="element-view-group"/>
</extension>
<extension url="value">
<valueString value="State"/>
</extension>
</extension>
<extension
url="http://hl7.org/fhir/tools/StructureDefinition/view-hint">
<extension url="name">
<valueCode value="element-view-order"/>
</extension>
<extension url="value">
<valueInteger value="8"/>
</extension>
</extension>
<path value="INTERVAL_EVENT.state"/>
<short value="Optional state data for this event."/>
<definition value="Optional state data for this event."/>
<min value="0"/>
<max value="1"/>
<base>
<path value="EVENT.state"/>
<min value="0"/>
<max value="1"/>
</base>
<type>
<code
value="http://openehr.org/fhir/StructureDefinition/ITEM-STRUCTURE"/>
</type>
<isModifier value="false"/>
</element>
<element id="INTERVAL_EVENT.data">
<extension
url="http://hl7.org/fhir/tools/StructureDefinition/view-hint">
<extension url="name">
<valueCode value="element-view-group"/>
</extension>
<extension url="value">
<valueString value="Event Data"/>
</extension>
</extension>
<extension
url="http://hl7.org/fhir/tools/StructureDefinition/view-hint">
<extension url="name">
<valueCode value="element-view-order"/>
</extension>
<extension url="value">
<valueInteger value="10"/>
</extension>
</extension>
<path value="INTERVAL_EVENT.data"/>
<short value="The data of this event."/>
<definition value="The data of this event."/>
<min value="1"/>
<max value="1"/>
<base>
<path value="EVENT.data"/>
<min value="1"/>
<max value="1"/>
</base>
<type>
<code value="http://openehr.org/fhir/StructureDefinition/T"/>
</type>
<isModifier value="false"/>
</element>
<element id="INTERVAL_EVENT.width">
<path value="INTERVAL_EVENT.width"/>
<short
value="Duration of the time interval during which the values recorded under `data` are true and, if set, the values recorded under `state` are true."/>
<definition
value="Duration of the time interval during which the values recorded under `data` are true and, if set, the values recorded under `state` are true. Void if an instantaneous event."/>
<min value="1"/>
<max value="1"/>
<base>
<path value="INTERVAL_EVENT.width"/>
<min value="1"/>
<max value="1"/>
</base>
<type>
<code
value="http://openehr.org/fhir/StructureDefinition/DV-DURATION"/>
</type>
<isModifier value="false"/>
</element>
<element id="INTERVAL_EVENT.sample-count">
<path value="INTERVAL_EVENT.sample_count"/>
<short
value="Optional count of original samples to which this event corresponds."/>
<definition
value="Optional count of original samples to which this event corresponds."/>
<min value="0"/>
<max value="1"/>
<base>
<path value="INTERVAL_EVENT.sample_count"/>
<min value="0"/>
<max value="1"/>
</base>
<type>
<code value="integer"/>
</type>
<isModifier value="false"/>
</element>
<element id="INTERVAL_EVENT.math-function">
<path value="INTERVAL_EVENT.math_function"/>
<short value="Mathematical function of the data of this event, e."/>
<definition
value="Mathematical function of the data of this event, e.g. maximum, mean etc. Coded using https://github.com/openEHR/terminology/blob/master/openEHR_RM/en/openehr_terminology.xml[openEHR vocabulary `event math function`]. Default value `640|actual|`, meaning 'actual value'."/>
<min value="1"/>
<max value="1"/>
<base>
<path value="INTERVAL_EVENT.math_function"/>
<min value="1"/>
<max value="1"/>
</base>
<type>
<code
value="http://openehr.org/fhir/StructureDefinition/DV-CODED-TEXT"/>
</type>
<isModifier value="false"/>
</element>
</snapshot>
<differential>
<element id="INTERVAL_EVENT">
<path value="INTERVAL_EVENT"/>
<short value="Defines a single interval event in a series."/>
<definition value="Defines a single interval event in a series. "/>
<min value="0"/>
<max value="*"/>
<constraint>
<key value="Math_function_validity"/>
<severity value="error"/>
<human value="Math function validity"/>
<expression value="null # TODO: manual translation needed"/>
</constraint>
<constraint>
<key value="Interval_start_time_valid"/>
<severity value="error"/>
<human value="Interval start time valid"/>
<expression value="interval_start_time() = time - width"/>
</constraint>
<isModifier value="false"/>
</element>
<element id="INTERVAL_EVENT.width">
<path value="INTERVAL_EVENT.width"/>
<short
value="Duration of the time interval during which the values recorded under `data` are true and, if set, the values recorded under `state` are true."/>
<definition
value="Duration of the time interval during which the values recorded under `data` are true and, if set, the values recorded under `state` are true. Void if an instantaneous event."/>
<min value="1"/>
<max value="1"/>
<type>
<code
value="http://openehr.org/fhir/StructureDefinition/DV-DURATION"/>
</type>
<isModifier value="false"/>
</element>
<element id="INTERVAL_EVENT.sample-count">
<path value="INTERVAL_EVENT.sample_count"/>
<short
value="Optional count of original samples to which this event corresponds."/>
<definition
value="Optional count of original samples to which this event corresponds."/>
<min value="0"/>
<max value="1"/>
<type>
<code value="integer"/>
</type>
<isModifier value="false"/>
</element>
<element id="INTERVAL_EVENT.math-function">
<path value="INTERVAL_EVENT.math_function"/>
<short value="Mathematical function of the data of this event, e."/>
<definition
value="Mathematical function of the data of this event, e.g. maximum, mean etc. Coded using https://github.com/openEHR/terminology/blob/master/openEHR_RM/en/openehr_terminology.xml[openEHR vocabulary `event math function`]. Default value `640|actual|`, meaning 'actual value'."/>
<min value="1"/>
<max value="1"/>
<type>
<code
value="http://openehr.org/fhir/StructureDefinition/DV-CODED-TEXT"/>
</type>
<isModifier value="false"/>
</element>
</differential>
</StructureDefinition>