Oxygen Flashcards
1
Q
Classification
A
Gas
2
Q
Mechanism of Action
A
Enters body via respiratory system, transported to cells by hemoglobin, required for efficient breakdown of glucose into usable energy
3
Q
Pharmacokinetics
- Onset of action
- Peak Effects
- Duration of Effects
- Half-Life
A
- Onset of action- immediate
- Peak Effects- < 1 min inhaled
- Duration of Effects- < 2 min inhaled
- Half-Life- N/A
4
Q
Indications/Field Use
A
- Hypoxia
- Difficulty Breathing
- SpO2- <94%
5
Q
Contraindications
A
- ROSC post cardiac arrest with SPO2 >94%
- Chest pain, acute MI, suspected cellular injury and death with SPO2> 94%
6
Q
Side Effects/Adverse Reactions
A
Free Radical formation in the presence of injured tissues, causing secondary cell death
7
Q
Dose
A
Adult:
2-6L NC, 12-15L NRB, 15L BVM
CPAP/Vent: varies by O2 demand to meet cmH2O requirement
Pedi:
2-6L NC, 12-15L NRB, 15L BVM
8
Q
Precautions
A
Avoid hyperoxia, high concentration to neonates can cause eye damage
9
Q
Drug-drug interaction
A
None EMS
