Asthma Flashcards

1
Q

What is a viral induced wheeze?

A

Acute wheeze due to viral infection

typically Rhinovirus or RSV

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

What features suggest viral induced wheeze rather than asthma?

A

Presentation in v young <3 yrs

no atopic history

only during viral infections

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

What is a unilateral wheeze in a child <3yo until proven otherwise?

A

Foreign object

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

yo

1st line investigation for suspected asthma

A

Spirometry and bronchodilator reversibility

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

What is the best indicator to diagnose suspected asthma?

A

FEV1

If there is an improvement of 12% this indicates reversibility with bronchodilator

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

What does a moderate attack look like in a child 2-5?

Can have moderate, severe, lifethreatening

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

What does a moderate attack look like in a child 5+?

Can have moderate, severe, lifethreatening

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What does a severe attack look like in a child 2-5?

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

What does a severe attack look like in a child 5+

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

What does life threatening attack look like in a child 2-5?

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

What does a life threatening attack look like in a child 5+

A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

How to manage oxygen <92%?

A

High flow oxygen through venturi mask or high flow nasal cannulae

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

If oxygen is not required for management e.g. moderate attack

What can be used?

A

Bronchodilator burst therapy:

10 puffs salbutamol via MDI and spacer every 30-60 seconds

Need to involve seniors here if burst therapy flopped

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

If a patient has a severe/lifethreatening asthma attack (92% O2>)

Has been given oxygen + bronchodilator burst therapy

what next?

A

Nebulised salbutamol + Ipratropium bromide

repeat every 20 minutes!

Need to involve seniors here if burst therapy flopped

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

What other bronchodilators can be used as the final line treatment for asthma?

A

IV

  • IV magenisum sulphate (1st)
  • IV salbutamol /
  • IV aminophylline*

* monitor for hypokalaemia via ECG

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

panic step for asthma attack?

if all else has failed

A

Intubate and ventilate

17
Q

What to start ALL children who have a asthma attack of any kind?

A

Oral prednisolone within hour

if they were admitted, then give 3-5 days of oral prednislone for home

18
Q

What counts as being symptom free after a asthma attack?

A

(don’t need salbutamol for 4 hours) and PEFR >75%. After discharge, follow-up in 48 hours by GP.

19
Q

Asthma management <5yo?

A
  • Step 1 (newly-diagnosed asthma) → SABA.
  • Step 2 (not controlled with SABA alone OR symptoms ≥3 times/wk or night-time waking [STRAIGHT TO THIS]) → SABA + 8-Week Trial of Moderate-Dose ICS.
  • Step 3 → SABA + ICS + LTRA.
  • Step 4 → stop LTRA and refer to paediatric asthma specialist.
20
Q

Asthma management ages 5-16?

A
  • Step 1 (newly-diagnosed asthma) → SABA (salbutamol).
  • Step 2 (not controlled with SABA OR symptoms ≥3 times/wk or night-time waking) → SABA + Low-Dose ICS (beclamethasone or budesonide).
    • SABA (Blue) → reliever. ICS (Brown) → preventer (twice a day, at morning and night). Always check parents know correct inhaler technique.
  • Step 3 → SABA + ICS + LTRA (montelukast).
  • Step 4 → SABA + ICS + LABA (salmeterol).
21
Q

How to manage a viral induced wheeze?

A
  • 1st Line → SABA (Salbutamol) utilising ‘Burst Therapy’. Given 10 puffs. Typically given hourly to manage the acute episode.
    • 2nd Line → Oral Montelukast or Inhaled Corticosteroid.