---
title: "glasgow_coma_scale"
description: "Fifteen point scale used to assess impairment of consciousness in response to defined stimuli."
---

Fifteen point scale used to assess impairment of consciousness in response to defined stimuli.

**Purpose.** To record clinical responses of an adult to defined stimuli as an objective assessment of the level of consciousness.

## Source

| Model | Leg | Role |
|---|---|---|
| `openEHR-EHR-OBSERVATION.glasgow_coma_scale.v1` | 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. | — |
| `best_eye_response_e`<br />`best_eye_response_e_code`<br />`best_eye_response_e_system`<br />`best_eye_response_e_numeric`<br />`best_eye_response_e_valueset_id` | coded text<br />`text`, `text`, `text`, `numeric`, `text` | yes | Best eye response (E) | `/data[at0001]/events[at0002]/data[at0003]/items[at0009]` |
| `best_verbal_response_v`<br />`best_verbal_response_v_code`<br />`best_verbal_response_v_system`<br />`best_verbal_response_v_numeric`<br />`best_verbal_response_v_valueset_id` | coded text<br />`text`, `text`, `text`, `numeric`, `text` | yes | Best verbal response (V) | `/data[at0001]/events[at0002]/data[at0003]/items[at0007]` |
| `best_motor_response_m`<br />`best_motor_response_m_code`<br />`best_motor_response_m_system`<br />`best_motor_response_m_numeric`<br />`best_motor_response_m_valueset_id` | coded text<br />`text`, `text`, `text`, `numeric`, `text` | yes | Best motor response (M) | `/data[at0001]/events[at0002]/data[at0003]/items[at0008]` |
| `total_score` | `integer` | yes | Total score | `/data[at0001]/events[at0002]/data[at0003]/items[at0026]` |
| `evm_profile` | `text` | yes | EVM profile | `/data[at0001]/events[at0002]/data[at0003]/items[at0030]` |
| `comment` | `text` | yes | Comment | `/data[at0001]/events[at0002]/data[at0003]/items[at0037]` |
| `confounding_factors` | `text` | yes | Confounding factors | `/data[at0001]/events[at0002]/state[at0040]/items[at0041]` |

## Constraints

```sql
check ((best_eye_response_e_code is null and best_eye_response_e_system is null and best_eye_response_e_numeric is null and best_eye_response_e is null) or (best_eye_response_e_valueset_id is not null and best_eye_response_e_code is not null and best_eye_response_e_system is not null and best_eye_response_e_numeric is not null and best_eye_response_e is not null))
check ((best_verbal_response_v_code is null and best_verbal_response_v_system is null and best_verbal_response_v_numeric is null and best_verbal_response_v is null) or (best_verbal_response_v_valueset_id is not null and best_verbal_response_v_code is not null and best_verbal_response_v_system is not null and best_verbal_response_v_numeric is not null and best_verbal_response_v is not null))
check ((best_motor_response_m_code is null and best_motor_response_m_system is null and best_motor_response_m_numeric is null and best_motor_response_m is null) or (best_motor_response_m_valueset_id is not null and best_motor_response_m_code is not null and best_motor_response_m_system is not null and best_motor_response_m_numeric is not null and best_motor_response_m is not null))
check (total_score is null or total_score between 3 and 15)
```

## 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 |
| `best_eye_response_e_valueset_id, best_eye_response_e_code, best_eye_response_e_system, best_eye_response_e, best_eye_response_e_numeric` | [`valueset_code`](/docs/tables/valueset_code) | restrict |
| `best_verbal_response_v_valueset_id, best_verbal_response_v_code, best_verbal_response_v_system, best_verbal_response_v, best_verbal_response_v_numeric` | [`valueset_code`](/docs/tables/valueset_code) | restrict |
| `best_motor_response_m_valueset_id, best_motor_response_m_code, best_motor_response_m_system, best_motor_response_m, best_motor_response_m_numeric` | [`valueset_code`](/docs/tables/valueset_code) | restrict |

## Indexes

- `glasgow_coma_scale_form_id_idx` on `form_id`

## Value sets

| Value set | Codes |
|---|---|
| `org.openehr::openEHR-EHR-OBSERVATION.glasgow_coma_scale.v1/best_eye_response_e` | 4 |
| `org.openehr::openEHR-EHR-OBSERVATION.glasgow_coma_scale.v1/best_motor_response_m` | 6 |
| `org.openehr::openEHR-EHR-OBSERVATION.glasgow_coma_scale.v1/best_verbal_response_v` | 5 |