Download Storage of Medical Gases

Aerosol Therapy and Nebulizers
RET 2274
Respiratory Therapy Theory Lab I
Module 6.1
Aerosol Therapy and Nebulizers
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Aerosols
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Particulate matter suspended in a gas
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Particulate matter can be either a liquid or a solid
Examples:
 Liquid - Albuterol (liquid medication)
 Solid - Cromolyn sodium (powdered medication)
Aerosol Therapy and Nebulizers
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Aerosols
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Liquids are aerosolized in clinical practice
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Bland aerosol therapy (cool or heated)
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Agents used
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Sterile water
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Saline (hypotonic, isotonic, hypertonic)
Use to treat
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Airway edema
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Humidification of bypassed upper airway
e.g. artificial airway
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Sputum induction and mobilization
Aerosol Therapy and Nebulizers
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Aerosols
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Liquids are aerosolized in clinical practice
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Aerosolized medication
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Directly to the pulmonary system for treatment of a
pathology
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Bronchospasm
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Mucosal edema
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Infection
Aerosol Therapy and Nebulizers
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Aerosol Therapy Equipment
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Nebulizer – a device that produces particulate
matter that is delivered into a gas
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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
Aerosol Therapy and Nebulizers
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Aerosol Therapy Equipment
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Pneumatic Nebulizer
1.
2.
3.
4.
5.
6.
High pressure nozzle
Maximum shear force
Capillary tube
Baffle
Area of vorticity
Reservoir
Aerosol Therapy and Nebulizers
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Aerosol Therapy Equipment
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Large-Volume Nebulizer
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Pneumatically powered
Variable air entrainment port
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Increase flow rate
Alter FiO2
Aerosol Therapy and Nebulizers
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Aerosol Therapy Equipment
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Large-Volume Nebulizer
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Single-patient use
Aerosol Therapy and Nebulizers
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Aerosol Therapy Equipment
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Large-Volume Nebulizer
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Heaters
Aerosol Therapy and Nebulizers
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Aerosol Therapy Equipment
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Large-Volume Ultrasonic Nebulizer
1.
2.
3.
4.
5.
6.
7.
Radiofrequency generator
Shielded cable
Piezoelectric crystal transducer
Water-filled couplant reservoir
Solution chamber
Chamber inlet
Chamber outlet
Aerosol Therapy and Nebulizers
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Aerosol Therapy Equipment
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Small-Volume Nebulizer
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Pneumatically powered
Medication administration
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Bronchodilators
Antiinflammatory agents
Antibiotics
10 ml medication reservoir
Aerosol Therapy and Nebulizers
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Aerosol Therapy Equipment
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Small-Volume Nebulizer
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Single-patient use
Aerosol Therapy and Nebulizers
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Aerosol Therapy Equipment
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Respirgard II Small-Volume Nebulizer
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Administration of Penamidine
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Tx for Pneumocystis carinii pneumonia (PCP)
Two one-way valves
Wye
Expiratory filter
Aerosol Therapy and Nebulizers
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Aerosol Therapy Equipment
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Breath-Actuated Nebulizers
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Deliver aerosol only during inspiration
Eliminates waste during exhalation
Increases delivered dose
AeroEclipse
Aerosol Therapy and Nebulizers
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AeroEclipse
Aerosol Therapy and Nebulizers
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Aerosol Therapy Equipment
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Bulb-Type Handheld Nebulizer
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Medication administration
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Aerosol Therapy and Nebulizers
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Aerosol Therapy Equipment
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Small-Volume Ultrasonic Nebulizer
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Medication administration
Home use
Aerosol Therapy and Nebulizers
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Aerosol Therapy Equipment
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Small-Volume Ultrasonic Nebulizer
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Medication administration
Mechanical ventilators
Aerosol Therapy and Nebulizers
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Aerosol Therapy Equipment
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Small-Volume Nebulizer (continuous nebulization)
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Intravenous drip system for
Used to manage severe bronchospasm when traditional
dosing strategies are ineffective
Aerosol Therapy and Nebulizers
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Aerosol Therapy Equipment
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Large-Volume Nebulizer (Continuous
Nebulization)
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Medication administration
Used to manage severe bronchospasm
when traditional dosing strategies are
ineffective
240 ml medication reservoir
HOPE
Aerosol Therapy and Nebulizers
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Aerosol Therapy Equipment
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Small-Particle Aerosol Generator (SPAG)
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Special-purpose large-volume nebulizer
Administration of Virazole (ribavirin)
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Tx for respiratory syncytial virus (RSV)
Used with masks, hoods, tents, vent circuits
Aerosol Therapy and Nebulizers
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Aerosol Therapy Equipment
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Airway Appliances
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Used to deliver aerosol therapy
A.
B.
C.
D.
A
Aerosol mask
Face tent
T-Tube
Tracheostomy mask
B
C
D
Aerosol Therapy and Nebulizers
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Aerosol Therapy Equipment
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Metered Dose Inhalers (MDI)
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Medication administration
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Bronchodilators
Steroids
Aerosol Therapy and Nebulizers
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Aerosol Therapy Equipment
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MDI Accessory Devices
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Reduce oropharyngeal deposition
Eliminate need for hand-breath
coordination
Aerosol Therapy and Nebulizers
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Aerosol Therapy Equipment
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Dry Powder Inhaler (DPI)
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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