Acute Asthma Flashcards
1
Q
What are the features of acute asthma?
A
*Worsening dyspnoea
*Wheeze
*Cough
=all not responding to salbutamol
2
Q
How is acute asthma classified?
A
- Moderate
- Sever
- Life threatening
3
Q
What are the features of moderate acute asthma?
A
PEFR 50-75% best or predicted
Speech normal
RR < 25 / min
Pulse < 110 bpm
4
Q
What are the features of severe acute asthma?
A
PEFR 33 - 50% best or predicted
Can’t complete sentences
RR > 25/min
Pulse > 110 bpm
5
Q
What are the features of life-threatening acute asthma?
Use the mneumonia 33 92 CHEST
A
- <33% PEFR
- <92% SpO2
- Cyanosis
- Hypotension / bradycardia
- Exhaustion / poor resp effort
- Silent chest
- Tired + confusion
!! a normal PCO2 in acute asthma indicates exhaustion and classified as life threatening !!
6
Q
What is the management of acute asthmas? Use meumonic O SHIT ME
A
*Oxygen (15L non-rebreath)
- Salbutamol nebs 5mg
- Hydrocortison 200mg IV or 40mg Pred oral
- Ipratropium 500mcg neb with oxygen
Senior decision!!
- Theophylline
- Magnesium sulphate
*Contact critical care outreach team/anaesthetics if required
