| id | 0..1 | string | Logical id of this artifact |
| meta | 0..1 | Meta | Metadata about the resource |
| implicitRules | 0..1 | uri | A set of rules under which this content was created |
| language | 0..1 | code | Language of the resource content |
| text | 0..1 | Narrative | Text summary of the resource, for human interpretation |
| contained | 0..* | Resource | Contained, inline Resources |
| extension | 0..* | Extension | Additional content defined by implementations |
| modifierExtension | 0..* | Extension | Extensions that cannot be ignored |
| identifier | 0..* | Identifier | Instance identifier |
| type | 1..1 | CodeableConcept | Identity of metric, for example Heart Rate or PEEP Setting |
| unit | 0..1 | CodeableConcept | Unit of Measure for the Metric |
| source | 0..1 | Reference | Describes the link to the source Device |
| parent | 0..1 | Reference | Describes the link to the parent Device |
| operationalStatus | 0..1 | code | on | off | standby | entered-in-error |
| color | 0..1 | code | black | red | green | yellow | blue | magenta | cyan | white |
| category | 1..1 | code | measurement | setting | calculation | unspecified |
| measurementPeriod | 0..1 | Timing | Describes the measurement repetition time |
| calibration | 0..* | BackboneElement | Describes the calibrations that have been performed or that are required to be performed |