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Chapter 3 Administration of Aerosolized Agents
RES 219 Pharmacology
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Aerosolized medications
Advantages of aerosols Disadvantages of aerosols
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Definitions: Aerosol Stability Penetration Deposition
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Aerosol Particle Size 10-15 microns 5-10 microns 1-5 microns
Factors determining particle size Breathing Pattern Inertial impaction
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Aerosol Delivery Devices
Ultrasonic nebulizer Small particle aerosol generator Small volume nebulizer Filling volume/treatment time Effect of flow rate Gas sources
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Relationship of vol. & flow rate to neb time
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Effect of Flow Rate on particle size
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Nebulizer Designs Constant output Breath activated
Vibrating mesh technology Breath enhanced Adaptive aerosol delivery
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Metered-Dose Inhaler Propellants used in MDI Advantages of MDI
Disadvantages of MDI Proper use of MDI
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CFC vs. HFA
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Reservoir Devices Spacer Holding chamber Advantages of reservoirs
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Reservoir Device
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Other Inhalers Breath-actuated inhaler Dry-powder inhaler
Soft mist inhaler
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Breath-actuated Inhaler
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DPI
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Soft Mist Inhaler
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What method of delivery is best?
MDI vs SVN vs DPI vs SMI??
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Aerosol loss for 4 drug delivery systems
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Comparison of lung deposition of older vs new aerosol devices
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Lung deposition & clinical response: Comparison of 3 bronchodilator delivery methods
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Infection Control Patient education on cleaning of Jet nebulizer MDI
Reservoir devices
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Administration of aerosol via ET tube
MDI vs SVN Factors the affect aerosol deposition in mechanical vent Techniques for MDI & SVN via vent
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