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humidifiers
anesthesia machine
Question | Answer |
---|---|
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. |