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anesthesia machine

breathing dry gases can lead to postoperative complications impairment of cilary function and decreases dessication of mucous escalater activity secretions atelectasis bacterial colonization penumonia
how do you prevent breathing dry gases? rebreathing technique low fresh gas flow external source of warmth and humidity
the minimal recommended humidity for anesthesia? 60% or 12 mg/L (optimal 14-30mg/L)
what needs to be added in a closed system humidity needs to be added.
how much water vapor must be added to achieve maxiumum humidity in compressed oxygen dry at room temperature? 44 mg of water vapor.
name the three types of vaporizers hopkin or passover bubblers heated cascade humidifier.
hopkin or passover utilizes external hot plate where air passes through.
the bubblers utilizes evaporation of steam. only provides 20% of humidity unless heated.
what type of vaporizer is commonly used with nasal cannula and oxygen mask? bubblers.
heated cascade humidifier uses 100% humidity at body temperature. breaks inspired into small bubbles and passes them into heated water.
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