Nebulizers Flashcards
What do you use on newborns to 4 years of age
Nebulizar with aerosol mask or MDI with mask and spacer
What do you use on children 4-5 years of age
Nebulizar with aerosol mask or MDI with mask and spacer
What do you use with children 6-12 years of age
MDI with mouth piece or with mask DPI or breath- actuated MDI
DPI
Categorized based on dose containers . Breath - actuated dosing system
Unit dose -single
Multiple-unit dose- 4-8
Multiple dose drug reservoir - 120
Metered Dose inhaler - children over 3yrs
Use spacer with mask
Metered dose inhaler -adult
Use spacer no mask
Spacers and holding chambers …
Reduce oropharyngeal deposition
MDI pulmonary deposition
Ranges between 10% and 20% in adults and larger children
Small particle aerosol generator
Specialized nebulizar used to deliver ribavirin ( Virazole) an antiviral agent used to treat RSV
Small volume nebulizar
Most common
4 types - continuous with reservoir
- continuous with collect bag
- breath enhanced
- breath actuated
Large volume nebulizar
Bland aerosol
Medications (heart and hope neb )
Spag
Reservoir > 200 ml
MADD 2.2 - 3.5 um
Factors that affect performance
Nebulizer design - baffles, volume , position , continuous vs. Intermittent
Gas source- flow, pressure , humidity, temp.
Drug viscosity and density
Jet nebulizers
Most common
Use Bernoulli principle
Ultrasonic
Uses piezoelectric crystal
Good for thick secretions
Sputum induction
Triple aerosol
A double aerosol + a bleed in
