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6 Cards in this Set
- Front
- Back
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What are the four essential functions of ventilators?
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1. Ventilate
2. Decrease Lung Work 3. Deliver highest FiO2 4. Redistribute Lung water |
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The theory behind negative pressure ventilators
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The oscillating atmospheric pressure inside the machine controls lung expansion and deflation -- good for muscular respiratory failure
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Advantages of positive pressure ventilation
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1. Only choice if person is ventilation dependent
2. Best choice for indweling tracheal tube 3. Tracheal intubation allows lungs to clear more easily |
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Risks of positive pressure mask
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1. regurg
2. aerophagia 3. aspiration 4. pressure somewhat limited |
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Risks of tracheostomy
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1. Surgical
2. Stenosis 3. Tracheal-esophageal or Tracheal-aortic fistula 4. Tracheomalacia |
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Reasons to intubate
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1. Pulmonary toilet
2. Prolonged ventilation 3. Unconsciousness 4. Airway protection --A non-paralyzed conscious patient will fight the tube. |
