OXYGEN

Question 1

Generic/Trade Name

OXYGEN

Answer 1

OXYGEN

Question 2

OXYGEN

Drug Classification:

Answer 2

Gas

Question 3

OXYGEN

Mechanism of Action:

Answer 3

Enters body via respiratory system

Transported to cells by Hb

Required for efficient breakdown of glucose into usable energy ie ATP

Question 4

OXYGEN

Pharmacokinetics

Answer 4

• Onset of Action = Immediate
• Peak Effects < 1 min inhaled
• Duration of Effect < 2 min inhaled
• Half-Life = N/A

Question 5

OXYGEN

Indications & Contraindications

Answer 5

Indications/Field Use:
• Hypoxia
• Difficulty breathing
• SpO2 < 94%

Contraindications:
• ROSC post cardiac arrest with SpO2 > 94%
• Chest pain, acute MI, suspected cellular injury and death with SpO2 > 94%

Question 6

OXYGEN

Side Effects/Adverse Reactions:

Answer 6

Free radial formation in the presence of injured tissues, causing secondary cell death

Question 7

OXYGEN

Adult & Pedi Dose:

Answer 7

• *(ADULT):** 2-6L NC, 12-15L NRB, 15L BVM
• *CPAP/VENT (ADULT):** Varies by O2 demand to meet cmH2O requirement

(PEDI): 2-6L NC, 10-15L NRB, 15LPM NRB

Question 8

OXYGEN

Precautions:

Answer 8

Avoid hyperoxia

High concentrations to neonates can cause eye damage

ie Stevie Wonder - born 6 weeks premature, had retinopathy of prematurity, or ROP, and it was exacerbated by the oxygen therapy given while in his hospital incubator.

Question 9

OXYGEN

Drug-Drug Interactions:

Answer 9

None EMS