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Aerosol Therapy and Nebulizers

Aerosol Therapy and Nebulizers. RET 2274 Respiratory Therapy Theory Lab I Module 6.1. Aerosol Therapy and Nebulizers. Aerosols Particulate matter suspended in a gas Particulate matter can be either a liquid or a solid Examples: Liquid - Albuterol (liquid medication)

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Aerosol Therapy and Nebulizers

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  1. Aerosol Therapy and Nebulizers RET 2274 Respiratory Therapy Theory Lab I Module 6.1

  2. Aerosol Therapy and Nebulizers • Aerosols • Particulate matter suspended in a gas • Particulate matter can be either a liquid or a solid Examples: • Liquid - Albuterol (liquid medication) • Solid - Cromolyn sodium (powdered medication)

  3. Aerosol Therapy and Nebulizers • Aerosols • Liquids are aerosolized in clinical practice • Bland aerosol therapy (cool or heated) • Agents used • Sterile water • Saline (hypotonic, isotonic, hypertonic) • Use to treat • Airway edema • Humidification of bypassed upper airway e.g. artificial airway • Sputum induction and mobilization

  4. Aerosol Therapy and Nebulizers • Aerosols • Liquids are aerosolized in clinical practice • Aerosolized medication • Directly to the pulmonary system for treatment of a pathology • Bronchospasm • Mucosal edema • Infection

  5. Aerosol Therapy and Nebulizers • Aerosol Therapy Equipment • Nebulizer – a device that produces particulate matter that is delivered into a gas • Large-Volume Nebulizer • Large-Volume Ultrasonic Nebulizer • Small-Volume Nebulizer • Small-Volume Ultrasonic Nebulizer • Bulb-Type Nebulizer • Respigard II Small-volume Nebulizer • Breath-Actuated Nebulizer

  6. Aerosol Therapy and Nebulizers • Aerosol Therapy Equipment • Pneumatic Nebulizer • High pressure nozzle • Maximum shear force • Capillary tube • Baffle • Area of vorticity • Reservoir

  7. Aerosol Therapy and Nebulizers • Aerosol Therapy Equipment • Large-Volume Nebulizer • Pneumatically powered • Variable air entrainment port • Increase flow rate • Alter FiO2

  8. Aerosol Therapy and Nebulizers • Aerosol Therapy Equipment • Large-Volume Nebulizer • Single-patient use

  9. Aerosol Therapy and Nebulizers • Aerosol Therapy Equipment • Large-Volume Nebulizer • Heaters

  10. Aerosol Therapy and Nebulizers • Aerosol Therapy Equipment • Large-Volume Ultrasonic Nebulizer • Radiofrequency generator • Shielded cable • Piezoelectric crystal transducer • Water-filled couplant reservoir • Solution chamber • Chamber inlet • Chamber outlet

  11. Aerosol Therapy and Nebulizers • Aerosol Therapy Equipment • Small-Volume Nebulizer • Pneumatically powered • Medication administration • Bronchodilators • Antiinflammatory agents • Antibiotics • 10 ml medication reservoir

  12. Aerosol Therapy and Nebulizers • Aerosol Therapy Equipment • Small-Volume Nebulizer • Single-patient use

  13. Aerosol Therapy and Nebulizers • Aerosol Therapy Equipment • Respirgard II Small-Volume Nebulizer • Administration of Penamidine • Tx for Pneumocystis carinii pneumonia (PCP) • Two one-way valves • Wye • Expiratory filter

  14. Aerosol Therapy and Nebulizers • Aerosol Therapy Equipment • Breath-Actuated Nebulizers • Deliver aerosol only during inspiration • Eliminates waste during exhalation • Increases delivered dose AeroEclipse

  15. Aerosol Therapy and Nebulizers • AeroEclipse

  16. Aerosol Therapy and Nebulizers • Aerosol Therapy Equipment • Bulb-Type Handheld Nebulizer • Medication administration • Powered by squeezing the bulb

  17. Aerosol Therapy and Nebulizers • Aerosol Therapy Equipment • Small-Volume Ultrasonic Nebulizer • Medication administration • Home use

  18. Aerosol Therapy and Nebulizers • Aerosol Therapy Equipment • Small-Volume Ultrasonic Nebulizer • Medication administration • Mechanical ventilators

  19. Aerosol Therapy and Nebulizers • Aerosol Therapy Equipment • Small-Volume Nebulizer (continuous nebulization) • Intravenous drip system for • Used to manage severe bronchospasm when traditional dosing strategies are ineffective

  20. Aerosol Therapy and Nebulizers • Aerosol Therapy Equipment • Large-Volume Nebulizer (Continuous Nebulization) • Medication administration • Used to manage severe bronchospasm when traditional dosing strategies are ineffective • 240 ml medication reservoir HOPE

  21. Aerosol Therapy and Nebulizers • Aerosol Therapy Equipment • Small-Particle Aerosol Generator (SPAG) • Special-purpose large-volume nebulizer • Administration of Virazole (ribavirin) • Tx for respiratory syncytial virus (RSV) • Used with masks, hoods, tents, vent circuits

  22. Aerosol Therapy and Nebulizers • Aerosol Therapy Equipment • Airway Appliances • Used to deliver aerosol therapy • Aerosol mask • Face tent • T-Tube • Tracheostomy mask A B C D

  23. Aerosol Therapy and Nebulizers • Aerosol Therapy Equipment • Metered Dose Inhalers (MDI) • Medication administration • Bronchodilators • Steroids

  24. Aerosol Therapy and Nebulizers • Aerosol Therapy Equipment • MDI Accessory Devices • Reduce oropharyngeal deposition • Eliminate need for hand-breath coordination

  25. Aerosol Therapy and Nebulizers • Aerosol Therapy Equipment • Dry Powder Inhaler (DPI) • Patient creates an aerosol by drawing air through a dose of finely milled drug powder • Do not require the hand-breath coordination needed for MDIs, but do require high inspiratory flows

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