Asthma

Question 1

What is the initial oxygen therapy for a patient with low saturations?

Answer 1

Start 15L O₂ via non-rebreathing mask with reservoir inflated (BTS 2019).

Question 2

❓ How long should the non-rebreather mask be used initially?

Answer 2

15 minutes (with reservoir inflated), followed by review and prescription.

Question 3

❓ What is the purpose of inflating the reservoir in a non-rebreathing mask?

Answer 3

To ensure delivery of a high oxygen concentration (close to 100%).

Question 4

❓ What should be done after the breathing assessment in a patient with wheeze and asthma?

Answer 4

Request a prescription for 5mg nebulised salbutamol (BNF, 2025).

Question 5

❓ What is the indication for giving nebulised salbutamol in this context?

Answer 5

Acute asthma exacerbation.

Question 6

❓ What corticosteroid is recommended, and how is it administered in acute asthma exacerbation?

Answer 6

Hydrocortisone 100mg IV every 6 hours.