Bland aerosol therapy – Flashcards
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When would you need cool bland aerosols?
answer
croup, subglottic edema, post-extubation edema, post operative management of the upper airway, stridor, patient discomfort, and sputum specimens
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When would you not give bland aerosols?
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history of airway hyperresponsiveness or bronchoconstriction
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What are some hazards and complications?
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wheezing, bronchospasm, bronchoconstriction, infection, overhydration, patient discomfort, and exposure of TB
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what equipment would you need to perform bland aerosol therapy?
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SVN, LVN, or ultrasonic neb, heater (if heated), patient application device: mist tent, hood, mouth piece, Mask, T piece, face tent, or trach collar, small bore tubing, water trap bag, tissues or basin for sputum, gloves, goggles, gown, mask, suction device, catheter, oxygen analyzer, thermometer (if heated), christmas tree adapter, thorpe-tube flow meter
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why would you need medication delivery to the upper airway?
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upper airway edema, upper airway inflammation, topical anesthesia, rhinitis
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Why would you need medication delivery to the lower airway?
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rapid onset, less toxic, fewer side effects
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What are the hazards of aerosol therapy?
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bronchospams, infection, pulmonary and systemic side effects, drug reconcentration, over-hydration, airway thermal injury and airway obstructed from swollen mucus, and second hand exposure
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Overhydration can happen in infants from what?
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excessive saline solutions, hypernatremia (check Na levels)
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a mist tent is ___ air set on 40%-50% max
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cool
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a ___ is for infants that use a air-entrainment nebulizer set on flow of 7-15 LPM and heated if its for preemies.
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hood
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how does a jet nebulizer work?
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draws liquids into a stream of gas which then blows it against a baffle to break the aerosol into smaller particles
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what are the 4 components of a pneumatic nebulizer?
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1. reservoir 2. capillary tube 3. jet 4. baffle
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what are factors that affect the SVN performance?
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1.design, 2. flow 3. gas source 4. density 5. humidity and temperature 6. characterstics of drug formulation 7. technique
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what is residual volume
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medication left in the nebulizer
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the __ the density the better the deposition
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denser
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the warmer the air the __ the size particle
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smaller
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advantages of a SVN
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less patient coordination, high doses possible, non cfc release
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disadvantages of SVN
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expensive, wasteful, drug preparation required, contamination possible, not all meds avail, pressurized gas source needed, and long treatment times
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3 types of BAN
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dosimeters, aero eclipse, and halo lite
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what med do you use in a respigurd?
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Pentamadine
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what does SPAG mean and why do you use it?
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small particle aerosol generator; RSV and ribavirin
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what do you set the flow meter on for the spag? what do you set the spag on?
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15 lpm; 7 LPM
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On a soft mist inhaler, lung deposition is ___.
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doubled
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what are the components of a pMDI
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drug, surfactant, propellant
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how many doses are in a pMDI?
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80-300 dosages
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what are the advantages of a MDI
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cost effective, tamper proof, no drug prep needed, portable, compact, and relative easy to use
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what are the disadvantages of a MDI
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patient coordination needed, patient actuation required, phayngeal deposition, potential for abuse, difficult to deliver high doses, not all med available, no counter
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