Oxygen Flashcards
1
Q
Drug class
A
Gas
2
Q
Pharmacology
A
Colourless, odourless gas essential for the production of cellular energy
3
Q
Indications
A
A wide range of conditions resulting in, or potentially resulting in systematic and/or localised hypoxia
4
Q
Contraindications
A
- Paraquat poisoning with SpO2 ≥ 88%
* Bleomycin therapy with SpO2 ≥ 88%
5
Q
Precautions
A
- Paraquat poisoning or bleomycin lung injury
- Prolonged admin to premature neonates
- Newborns (they will have low SpO2 for first 10mins)
- Cyanotic heart disease - sats targets may be 75-85%
6
Q
Side effects
A
- Hypoventilation in some COPD pts with hypoxic drive
* Drying of airway mucous membranes
7
Q
Presentation
Onset
A
C cylinder, 450L
D cylinder, 1600L
Immediate
8
Q
Routes of administration
A
NC NEB SFM NRBM BVM LMA ETT CPAP
9
Q
Special notes
A
- BVM will not supply adequate oxygenation unless IPPV is provided
- Sat’s monitors cannot differentiate between carboxyhaemoglobin & oxyhaemoglobin, therefore carbon monoxide poisons pts require max dose irrespective of SpO2 reading
- COPD pts requiring NEB salbutamol = @ 6L/min. All other pts 8L/min
9
Q
Special notes
A
- BVM will not supply adequate oxygenation unless IPPV is provided
- Sat’s monitors cannot differentiate between carboxyhaemoglobin & oxyhaemoglobin, there carbon monoxide poisons pts require max dose irrespective of SpO2 reading
- COPD pts require NEB salbutamol @ 6L/min. All other pts 8L/min
10
Q
Adult/Paed Dosages
A
• Intra-arrest • CO2 poisoning • Cyanide poisoning • Pre-oxygenation for RSI ▪︎ INH 100%
• Paraquat toxicity • Bleomycin Rx • Obesity • COPD • Cystic fibrosis • Neuromuscular disease ▪︎ INH titrate to achieve 88-92%
All other presentations not listed
▪︎ INH 92-96%
