What is Aerosol Therapy?
Delivery of therapeutic drug to desired site of action.
Types of Nebulizers:
1. Jet
2. Mesh
3. Ultrasonic
Advantages of an pMDI.
T/F : Dehydrated secretions in the patient's airways may absorb water delivered via aerosol and swell up large enough to obstruct airways.
TRUE .
What is the definition of Aerosol?
The primary use to Aerosol therapy is used to treat what diseases?
1. Asthma
2. COPD
3. Bronchitis
4. Bronchiectasis
What is a Breath-Actuated Nebulizer?
A Breath Actuated nebulizer is a aerosol delivery device that delivers the medication on inhalation by the patient so therefore no medication is wasted.
Disadvantages of pDPI's
1. Dependence on patient’s inspiratory flow
2. Patient less aware of delivered dose
3. Relatively high oropharyngeal impaction
4. Vulnerable to ambient humidity or exhaled humidity into mouthpiece
5. Limited range of drugs
How can eye infections be a hazard when dealing with Aerosol Therapy?
When using a simple mask is used for drug administration.
How is Humidity classified?
Hint : 2 categories
1. Passive
2. Active
If a patient has a Airborne illness, what is HIGHLY recommended for that patients room?
A Negative Pressure room using a HEPA filter.
When should you stop / how do you know that the TX of a SVN is nearly done?
When you first start to hear the "sputtering" sound.
What is Priming? When should this be done?
Priming in the action of clearing the inhaler from debris. This should be done if the Inhaler has been sitting for long periods of time and before the first use.
T/F: Aerosol therapy CANT cause localized inflammation in the airways.
False. Aerosol therapy can cause localized inflammation in the airways.
Factors affecting pMDI performance and drug delivery.
Aerosol Deposition is affected by:
1. I:E Ratio
2. RR
3. Breath hold
4. Insp. flow rate and pattern
Before a RT can choose what deliver device for a patient, what does the RT need to do?
The RT must understand and know the advantages and disadvantages of each delivery device.
Factors affecting the pMDI performance and drug delivery.
Adverse Reactions to Aerosol therapy.
Due to safety, what propellent will be used for the Inhalers?
HFA Propellent
Aerosol devices deliver aerosol particles rapidly and directly to.....
The airways.
If a patient is not coordinated to use a pMDI, what would you as a RT suggest the patient use do deliver the medication on inhalation?
A spacer or Chamber.
If an pMDI is "Propellant Free" what do you not do before using it?
Do not shake before use.
T/F : Concentration of drug can increase if ultrasonic nebulizer is used.
TRUE
How do you clean any aerosol delivery device?