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Table 1 Description of scenarios and associated tasks, as well as alarms and alerts

From: The usability of ventilators: a comparative evaluation of use safety and user experience

Scenario

Tasks

1

Urgent ventilator parameter setup and start ventilationa, adjust alarm limits

2

Activate expiratory pause, inspiratory pause

3

Read respiratory rate from a distance, adjust respiratory rate, view data not available in default view, and suction

4

Leak test

5

Wean from pressure control to synchronized intermittent mandatory ventilation and adjust trigger

6

Return to previous mode

7

Standby

Alarms/alerts

Loss of oxygena and power failurea

  1. aTasks where delayed action could potentially lead to harm to the patient