Alarm Settings (mechanical ventilation)
Apnea Response time delay range (sec)
15 to 20 seconds
Most nebulizers used in respiratory care produce which type of aerosol suspension?
Monodisperse, Macro aerosol, Micro aerosol, Hetero-disperse
Hetero-disperse
Is a DPI expensive or inexpensive?
Inexpensive
What is the most common inhaler ?
And why?
1. Metered Dose Inhalers
2. portable
3. Compact
4. Easy to use
5. Provides multi-dose convenience
What are 3 categories of Nebulizers ?
•Pneumatic jet nebulizers
•USN’s
•VM nebulizers
What percentage or (L/M) should the Low MMV Alarm be set below the baseline?
2-5 L/M or 10-15% below
With which of the following devices are therapeutic aerosols generated?
Atomizers, Nebulizers, Humidifiers
Atomizers
Does a DPI need hand-breath coordination ?
TRUE OR FALSE
False
What Can cause adverse responses in some pts
Coughing and wheezing.
How is a jet nebulizer powered ?
Powered by high-pressure air or O2
•Portable compressor •Compressed gas cylinder •50-psi wall outlet
What percentage or (L/M) should the High MMV Alarm be set above the baseline?
2-5 L/M or 10-15% above the baseline MMV
Which of the following describes the mass of drug leaving the mouthpiece of a nebulizer as aerosol?
Output dose, Single dose, Multiple dose, Emitted dose
Emitted Dose
What are 3 categories for an DPI ?
3 categories
•Unit-dose DPI
•Multiple unit-dose DPI
•Multiple dose drug reservoir DPI
What is the next single dose if wasted before next dose ?
4 to 6 hours
Give me the step by step how to give a SVN?
Assess pt for need
• Select mask or mouthpiece
• Use conserving system (if indicated)
• Place drug in the nebulizer
•If using multi-dose vial, add saline to
approved dose volume
• Set gas flow to neb at 6 to 8 L/min
What setting is the suggested range for the RR Alarm?
10 to 15 BPM over the observed RR
What is the primary hazard of aerosol drug therapy?
Unwanted drug reactions, Pulmonary infection, Airway reactivity, Drug reconcentration
Unwanted drug reactions
What are some accessory devices for a DPI name 1 ?
Spacers
holding chambers
breath actuated MDI
What does FDA require for all new MDI’s
To have a counter on the back of MDI
What do you do with the Neb after treatment ?
Rinse neb with sterile water & air dry, or discard,
between tx
Alarms triggered by leaks or disconnects are usuallly which type of alarm, High or Low?
LOW
As hygroscopic aerosol particles enter the respiratory tract, what do they tend to do?
Increase in size because of absorption of molecular water
How would you explain how to use an MDI
1. Demonstration
2. Practice
3. Confirmation of pt performance
What are to techniques to know when using the MDI
1 hand-breath coordination problems
2.High oropharyngeal deposition
Why is a Large Volume nebulizer used ?
Used mainly for bland aerosol therapy or sputum induction.