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13 Cards in this Set
- Front
- Back
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two types of ventilators
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1. double circuit, pneumatically driven ventilators
2. piston |
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electronically and pneumonically controlled, double circuit, vol preset, time cycled, w/ optional pressure limit control
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drager anesthesia ventilator (AV-E)
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move up during expiration and down during inspriation
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ascending bellows
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move down during exhalation
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descending bellows
pt disconnect bellows continue to move up and down |
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only machine to use descending bellows
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drager--julian
has disconnect alarm based on ETco2 |
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frequency rate
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1-99bpm
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electronically controlled timing device allows driving gas to enter the bellows chamber to compress the bellows and then exit chamber
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frequency
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tidal volume
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control located on bellows chamber
setting 200-1400ml |
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I:E ratio
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1:2- 1:4.5
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which ventilator does not have ie ratio
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ohmeda
controlled by changes in flow rate, tv and rr |
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regulates flow rate of driving gas into bellows chamber
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inspiratory flow---keep as low as possible ---d/t barotrauma
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beneath bellows or on circle breathing system
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peep <18cm h2o
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sigh option
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ohmeda
vol of every 64th breath--give 150% of tv |
