Inhalers

Question 1

What is the droplet size of inhalers?

Answer 1

35-45micrometres

Question 2

What happens if too much inhaler is taken?

Answer 2

Tremors/ Heart flutters

Question 3

What are 4 advantages of MDI?

Answer 3

Metered dose inhalers:
- Multidose
- Small
-Widely available
- Fast onset of action

Question 4

What are disadvantages of MDI?

Answer 4

Good technique is required
80% normally deposited in the oropharynx
Corticosteroids can cause oral thrush
Taste

Question 5

What is the correct used of MDI?

Answer 5

Remove the cap
Shake the inhaler
Pt should breathe out gently, not fully
Tongue should be placed on the floor of mouth & inhaler placed between the lips, which are closed round the mouth piece
Pt - breathe slowly and deeply through the mouth
Canister is pressed whilst pt continues to breathe
Hold breath for 10 seconds
If second dose required wait 30-60s

Question 6

What are spacers used for?

Answer 6

In individuals with bad inhaler techniques,
These reduce the particle size and velocity of the inhaler. Reduces the volume of inhaler impacted on the oropharynx.

Question 7

Why can a spacer not be dried with a teatowel?

Answer 7

It creates a charge within the chamber and causes particles within the aerosol/inhaler to stick to the chamber rather than reaching the lungs pf the individual

Question 8

What is a nebulizer and what are advants& disadvants?

Answer 8

Aerosols containing particles that are less than 5 micrometres.
A-
Can be put on repeat prescription
Manages dose rate & delivery over period of time
Helps medicine in

D-
Costs
Bulky
Requires professional to clean

Question 9

What is a long term treatment therapy for COPD?

Answer 9

Oxygen
used for at least 15 hrs daily - relieves hypoxaemia, improves mobility

Question 10

What is a disadvantage of O2?

Answer 10

Flammable