| Manifestations | - Airway pressure less than zero
|
- Collapsed reservoir bag or bellows
|
| Potential causes | |
- Patient generated inspiratory pressure with empty reservoir bag or ventilator bellows
|
| |
- Suction applied below airway
|
| |
- Tracheal/bronchial suction (eg, fiberoptic)
|
- Suction applied above airway
|
- Malfunctioning scavenger system
|
| Suggested responses | - Immediately disconnect airway from breathing system
|
- Fill breathing system with oxygen flush or high fresh gas flows
|
