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