Aerosol Therapy
Aerosol Delivery Devices
pMDI's & pDPI's
Hazards / Complications
Misc.
100

What is Aerosol Therapy?

Delivery of therapeutic drug to desired site of action. 

100

Types of Nebulizers: 

1. Jet

2. Mesh

3. Ultrasonic

100

Advantages of an pMDI. 

  1. Consistency 
  2. Reliability
  3. Direct 
  4. Flexible
100

T/F : Dehydrated secretions in the patient's airways may absorb water delivered via aerosol and swell up large enough to obstruct airways.

TRUE . 

100

What is the definition of Aerosol? 

  1. suspension of liquid and solid particles produced by an aerosol generator. 
200

The primary use to Aerosol therapy is used to treat what diseases? 

1. Asthma

2. COPD

3. Bronchitis

4. Bronchiectasis 

200

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. 

200

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

200

How can eye infections be a hazard when dealing with Aerosol Therapy? 

When using a simple mask is used for drug administration. 

200

How is Humidity classified? 

Hint : 2 categories 

1. Passive 

2. Active

300

If a patient has a Airborne illness, what is HIGHLY recommended for that patients room? 

A Negative Pressure room using a HEPA filter. 

300

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. 

300

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. 

300

T/F: Aerosol therapy CANT cause localized inflammation in the airways. 

False. Aerosol therapy can cause localized inflammation in the airways. 

300

Factors affecting pMDI performance and drug delivery.

  1. Shaking the canister. 
  2. Priming
  3. Storage Temperature
  4. Cleanliness 
400

Aerosol Deposition is affected by: 

1. I:E Ratio

2. RR

3. Breath hold 

4. Insp. flow rate and pattern

400

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. 

400

Factors affecting the pMDI performance and drug delivery. 

  1. Metered dose inhaler devices can become contaminated with dirt, debris, and even bacteria from you and/or the environment. 
  2. If you are not vigilant in the proper care and handling of your inhaler device, serious infection-related and cross contamination problems can occur.
400

Adverse Reactions to Aerosol therapy. 

  1. Eye irritation
  2. Bronchospasm 
  3. Drug concentration 
  4. Exposure to secondhand aerosol drugs
  5. Infection.
400

Due to safety, what propellent will be used for the Inhalers? 

HFA Propellent 

500

Aerosol devices deliver aerosol particles rapidly and directly to.....

The airways. 

500

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. 

500

If an pMDI is "Propellant Free" what do you not do before using it? 

Do not shake before use. 

500

T/F : Concentration of drug can increase if ultrasonic nebulizer is used. 

TRUE

500

How do you clean any aerosol delivery device? 

  1. Soak the mouthpiece or mask, top piece, and medicine cup in a white vinegar and water solution for 30 minutes, or as recommended by your device manufacturer. 
  2. After 30 minutes, rinse and air-dry in a cool, dry place.