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Aerosol Therapy NECC

QuestionAnswer
What are some of the advantages of MDI? Ref page 806 1.Inexpensive 2.Light,compact,resistant to moisture 3.Quick delivery of drugs 4.Precise and consistent doses 5.Available with most anti asthmatic drugs
What are some of the disadvantages of MDI? Ref page 807 1.Difficulty in coordination of activation& inspiration 2.Time consuming to teach 3.Cold freon effect i.e. inability to continue to breathe when propellant is released into mouth
What is meant by priming the MDI? Ref page 807 Activating a wasted dose to fill the metering chamber; used for new inhalers and those that have not been used for >4 to 6 hours. The old dose may have evaporated
What patients can not use DPI? Ref page: 815 Children under 5 and patients unable to generate a high air flow. They also may not work as well in high humidity environments
When should an MDI be activated for a ventilator patient? Ref page 837: Coordinate firing the MDI with the beginning of the ventilator inspiration
When using an MDI,how much time should you allow between actuations? Ref page 813 Allow 30 to 60 seconds.
How does an atomizer differ from an SVN? Ref page 816: Atomizers don’t have baffles. They are usually powered by a hand-squeezed bulb. Because the particles are larger, the drug deposits in the upper airway. You might deliver a local anesthetic through an atomizer prior to bronchoscopy
True or False:DPI Require high inspiration flow>60/l/min Ref page 813 True
What are some of the Advantages of a spacer? Ref page 810-811 1.no need to activate coordination with inspiration 2. Increases drug deposition in the lungs [130%]. 3. Reduces drug deposition in the mouth. 4.used in children with face mask 5.decreases the incidence of oral thrush
What are some of the characteristics of Jet Nebulizer? Ref page 823 1.Cools during operation 2.Small aerosol particle size 3.Less expensive
In what part of the lung would like to deposit beta-adrenergic bronchodilator drugs? REF PAGE 803 In the lower airways
What is “blow- by” technique used with infants? Ref page 820: Blow-by is directing the mist by the baby’s mouth and nose without direct application to the face via a mask. It is not very effective.
SVN dosages should be adjusted when delivered to an intubated patient by what amount? Ref page 836: Give 2 to 5 times the normal dose
What is the optimal flow rate and amount of solution to put in an SVN? Ref page 817: 6 to 8 L/min
What are of the characteristics of Ultra sound nebulizers? Ref page 824 1.Heats up during operation 2.Larger aerosol particle 3.More expensive 4.Less noise
What class of inhaled drugs requires that you always use a spacer or chamber? Ref page 811 Corticosteroids to reduce oropharyngeal deposition
What is the aerosol output an ultra sound nebulizer is capable of delivering? Ref page 824 0.2 to 1.0 ml/min
What are some of the hazards of aerosol therapy? Ref page 805-806 1.Bronchospasm 2.Over hydration 3.Overheating of inspired gases 4.Delivery of contaminated aerosol 5.Tubing condensation draining into the airway
Why is particle size so important in aerosol therapy? Ref page 803 The ability of aerosols to travel through the air, enter the airways, and deposit in the lung is largely based on particle size.
Created by: hounane