---
title: "respiration"
description: "The characteristics of spontaneous breathing by an individual."
---

The characteristics of spontaneous breathing by an individual.

**Purpose.** To record the characteristics of spontaneous breathing by an individual.

## Source

| Model | Leg | Role |
|---|---|---|
| `openEHR-EHR-OBSERVATION.respiration.v2` | openEHR | defines this table |

## Columns

| Column | Type | Null | Description | Source |
|---|---|---|---|---|
| `id` | `uuid primary key` | no | Primary key. | — |
| `form_id` | `uuid` → [`form`](/docs/tables/form) | no | The form this entry was recorded on. | — |
| `form_block_id` | `uuid` | yes | The block within the form, when the entry is bound to one. | — |
| `presence`<br />`presence_code`<br />`presence_system`<br />`presence_valueset_id` | coded text<br />`text`, `text`, `text`, `text` | yes | Presence | `/data[at0001]/events[at0002]/data[at0003]/items[at0062]` |
| `rate_magnitude`<br />`rate_units` | quantity<br />`numeric`, `text` | yes | Rate | `/data[at0001]/events[at0002]/data[at0003]/items[at0004]` |
| `regularity`<br />`regularity_code`<br />`regularity_system`<br />`regularity_valueset_id` | coded text<br />`text`, `text`, `text`, `text` | yes | Regularity | `/data[at0001]/events[at0002]/data[at0003]/items[at0005]` |
| `depth`<br />`depth_code`<br />`depth_system`<br />`depth_valueset_id` | coded text<br />`text`, `text`, `text`, `text` | yes | Depth | `/data[at0001]/events[at0002]/data[at0003]/items[at0016]` |
| `clinical_description` | `text` | yes | Clinical description | `/data[at0001]/events[at0002]/data[at0003]/items[at0024]` |
| `clinical_interpretation`<br />`clinical_interpretation_code`<br />`clinical_interpretation_system`<br />`clinical_interpretation_valueset_id` | coded text<br />`text`, `text`, `text`, `text` | yes | Clinical interpretation | `/data[at0001]/events[at0002]/data[at0003]/items[at0009]` |
| `comment` | `text` | yes | Comment | `/data[at0001]/events[at0002]/data[at0003]/items[at0070]` |
| `body_position`<br />`body_position_code`<br />`body_position_system`<br />`body_position_valueset_id` | coded text<br />`text`, `text`, `text`, `text` | yes | Body position | `/data[at0001]/events[at0002]/state[at0022]/items[at0065]` |
| `confounding_factors` | `text` | yes | Confounding factors | `/data[at0001]/events[at0002]/state[at0022]/items[at0056]` |
| `inspired_oxygen` | `uuid` | yes | Inspired oxygen | `/data[at0001]/events[at0002]/state[at0022]/items[at0055]` |

## Constraints

```sql
check ((presence_code is null and presence_system is null and presence_valueset_id is null and presence is null) or (presence is not null and presence_code is not null and presence_system is not null and presence_valueset_id is not null))
check ((rate_magnitude is null and rate_units is null) or (rate_magnitude is not null and rate_units is not null))
check (rate_magnitude is null or (rate_units = '/min' and rate_magnitude between 0 and 200))
check ((regularity_code is null and regularity_system is null and regularity_valueset_id is null and regularity is null) or (regularity is not null and regularity_code is not null and regularity_system is not null and regularity_valueset_id is not null))
check ((depth_code is null and depth_system is null and depth_valueset_id is null and depth is null) or (depth is not null and depth_code is not null and depth_system is not null and depth_valueset_id is not null))
check ((clinical_interpretation_code is null and clinical_interpretation_system is null and clinical_interpretation_valueset_id is null) or (clinical_interpretation is not null and clinical_interpretation_code is not null and clinical_interpretation_system is not null and clinical_interpretation_valueset_id is not null))
check ((body_position_code is null and body_position_system is null and body_position_valueset_id is null and body_position is null) or (body_position is not null and body_position_code is not null and body_position_system is not null and body_position_valueset_id is not null))
```

## Unique

- `form_block_id`

## References

| Columns | Target | On delete |
|---|---|---|
| `form_id` | [`form`](/docs/tables/form) | cascade |
| `form_id, form_block_id` | [`form_block`](/docs/tables/form_block) | cascade |
| `presence_valueset_id, presence_code, presence_system, presence` | [`valueset_code`](/docs/tables/valueset_code) | restrict |
| `regularity_valueset_id, regularity_code, regularity_system, regularity` | [`valueset_code`](/docs/tables/valueset_code) | restrict |
| `depth_valueset_id, depth_code, depth_system, depth` | [`valueset_code`](/docs/tables/valueset_code) | restrict |
| `clinical_interpretation_valueset_id, clinical_interpretation_code, clinical_interpretation_system, clinical_interpretation` | [`valueset_code`](/docs/tables/valueset_code) | restrict |
| `body_position_valueset_id, body_position_code, body_position_system, body_position` | [`valueset_code`](/docs/tables/valueset_code) | restrict |
| `inspired_oxygen` | [`inspired_oxygen`](/docs/tables/inspired_oxygen) | no action |

## Indexes

- `respiration_form_id_idx` on `form_id`
- `respiration_inspired_oxygen_idx` on `inspired_oxygen`

## Value sets

| Value set | Codes |
|---|---|
| `org.openehr::openEHR-EHR-OBSERVATION.respiration.v2/body_position` | 5 |
| `org.openehr::openEHR-EHR-OBSERVATION.respiration.v2/depth` | 4 |
| `org.openehr::openEHR-EHR-OBSERVATION.respiration.v2/presence` | 2 |
| `org.openehr::openEHR-EHR-OBSERVATION.respiration.v2/regularity` | 2 |