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**Preliminary guide topic, work in progress**
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### Narrative of vital signs

Narrative SHALL contain following information taken from resource elements:
* Observation type: <observation.code.coding.code><observation.code.coding.display>
* Observation time: <Observation.effectiveDateTime>
* Result: <valueQuantity.value><valueQuantity.unit>
* Interpretation: <Observation.interpretation.coding.code> <Observation.interpretation.coding.display>
* Comments: <Observation.comment>
* Method: <Observation.method>
* Device: <Observation.device>
* Reference range: <Observation.referenceRange.low.value>
<Observation.referenceRange.high.value>

If element is missing from resource, it shall not be mentioned in narrative.