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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