Bland aerosol therapy – Flashcards
Unlock all answers in this set
Unlock answersquestion
What does MMAD mean?
answer
mass median aerodynamic diameter
question
What size micron do you need for cool upper airway administration?
answer
greater than or equal to 5 MMAD
question
What size micron do you need for inducing sputum specimens?
answer
1-5 MMAD
question
When using heated bland aerosols and the upper airway is bypassed what size micron is needed?
answer
2-10 microns
question
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
question
When would you not give bland aerosols?
answer
history of airway hyperresponsiveness or bronchoconstriction
question
What are some hazards and complications?
answer
wheezing, bronchospasm, bronchoconstriction, infection, overhydration, patient discomfort, and exposure of TB
question
what equipment would you need to perform bland aerosol therapy?
answer
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
question
why would you need medication delivery to the upper airway?
answer
upper airway edema, upper airway inflammation, topical anesthesia, rhinitis
question
Why would you need medication delivery to the lower airway?
answer
rapid onset, less toxic, fewer side effects
question
What are the hazards of aerosol therapy?
answer
bronchospams, infection, pulmonary and systemic side effects, drug reconcentration, over-hydration, airway thermal injury and airway obstructed from swollen mucus, and second hand exposure
question
Overhydration can happen in infants from what?
answer
excessive saline solutions, hypernatremia (check Na levels)
question
a mist tent is ___ air set on 40%-50% max
answer
cool
question
a ___ is for infants that use a air-entrainment nebulizer set on flow of 7-15 LPM and heated if its for preemies.
answer
hood
question
how does a jet nebulizer work?
answer
draws liquids into a stream of gas which then blows it against a baffle to break the aerosol into smaller particles
question
what are the 4 components of a pneumatic nebulizer?
answer
1. reservoir 2. capillary tube 3. jet 4. baffle
question
what are factors that affect the SVN performance?
answer
1.design, 2. flow 3. gas source 4. density 5. humidity and temperature 6. characterstics of drug formulation 7. technique
question
what is residual volume
answer
medication left in the nebulizer
question
the __ the density the better the deposition
answer
denser
question
the warmer the air the __ the size particle
answer
smaller
question
advantages of a SVN
answer
less patient coordination, high doses possible, non cfc release
question
disadvantages of SVN
answer
expensive, wasteful, drug preparation required, contamination possible, not all meds avail, pressurized gas source needed, and long treatment times
question
3 types of BAN
answer
dosimeters, aero eclipse, and halo lite
question
what med do you use in a respigurd?
answer
Pentamadine
question
what does SPAG mean and why do you use it?
answer
small particle aerosol generator; RSV and ribavirin
question
what do you set the flow meter on for the spag? what do you set the spag on?
answer
15 lpm; 7 LPM
question
On a soft mist inhaler, lung deposition is ___.
answer
doubled
question
what are the components of a pMDI
answer
drug, surfactant, propellant
question
how many doses are in a pMDI?
answer
80-300 dosages
question
what are the advantages of a MDI
answer
cost effective, tamper proof, no drug prep needed, portable, compact, and relative easy to use
question
what are the disadvantages of a MDI
answer
patient coordination needed, patient actuation required, phayngeal deposition, potential for abuse, difficult to deliver high doses, not all med available, no counter
