Humidity Therapy
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| what is absolute Humidity? | the actual content or weight of water present in a given volume of gas.
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| what is ISO? | International Standards Organization
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| What does ISO recommend with absolute Humidity? | AH of 33mmgH2O/L
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| How should AH be titrated? | dependant on individual needs of patient
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| what is 98.6 F in celcius? | 37 degrees
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| what does cooling the gas do to AH? | decrease AH
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| what is relative humidity? | the ratio of how much water a gas sample is actually holding
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| what is BTPS? | body, temperature at the pressure to which the patient is exposed and 100% saturated with water vapor
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| what is Isothermic saturation Boundary? | at or below carina, the point where inspired gases are fully saturated and warmed to body temp.
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| what best describes Vapor pressure? | pressure of vapor in lings exert 47mmHg
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| what best describes humidity deficit? | the amount of water vapor needed to achive full saturation at body temperature.
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| what does humidity therapy involve? | adding water vapor and sometimes heat to the inspired gas
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| what is the primary goal of humidification? | maintain normal conditions in lower airways thinning of bronchial secretions sputum inductions
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| what are the goals of humidity? | reduce airway swelling, removal of thick secretions, prevent airway response to cold air
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| what are the hazards of humidity? | bronchospasm ( cool mist), infection, over hydration
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| what are the three varibles that affect qulity of a humdifer's prefomance? | Temperature, surface area, contact time
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| what are the low flow humidifiers? | bubble, jet
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| what are the high flow humidifiers? | heated bubble, passover, wick, vapor phase, capillary force, membrane type, HME
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| what are the contraindications of HME? | patients with thick or bloody secretions, body temp lees than 32 degrees, high spontaneous mv, HME must be taken out for aerosolied medication
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| what are the two types of asthmatics? | Intrinsic= non seasonal and Extrinsic= inhaled airborne antigen aka atopic asthma
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