Oxygen

Question 1

Oxygen Trade Name?

Answer 1

Oxygen (none noted)

Question 2

Oxygen Classification?

Answer 2

Medical gas

Question 3

Oxygen Mechanism?

Answer 3

“Odorless, tasteless, colorless gas that is present in room air at 21% concentration. Oxygen enters the body through the respiratory system and is transported to the body tissues via hemoglobin in the blood for energy.

Used to reverse hypoxemia and, in doing so, helps oxidize glucose to produce adenosine triphosphate (metabolic energy)”

Question 4

Oxygen Indications?

Answer 4

Hypoxia, anoxia, dyspnea, hypoperfusion, ischemic chest pain, respiratory insufficiency, suspected stroke, confirmed/suspected carbon monoxide poisoning, cardiac insufficiency or arrest

Question 5

Oxygen Contraindications?

Answer 5

None in the prehospital emergency setting

Question 6

Oxygen Side Effects/Precautions?

Answer 6

Nausea/vomiting, irritation to respiratory track, Free radial formation in the presence of injured tissues, causing secondary cell death-Retinopathy of prematurity

Question 7

Oxygen Adult Dose?

Answer 7

1-6 LPM via nasal cannula and 10-15 LPM via nonrebreather mask

Question 8

Oxygen Pediatric Dose?

Answer 8

Same as adult but using age-appropriate sized device

Question 9

Oxygen Onset of Action?

Answer 9

Immediate

Question 10

Oxygen Duration of Action?

Answer 10

<2 min inhaled

Question 11

Oxygen Max Dose Adult/Pediatric?

Answer 11

Administer and titrate to maintain a minimum SpO2 of 94%. Use caution with high flow oxygen in patients with stroke and acute coronary syndrome patients.

Question 12

Oxygen Routes of Administration?

Answer 12

Nasal cannula, non-rebreather, BVM

Question 13

Oxygen How Supplied?

Answer 13

Gas cylinders
* Size D cylinders hold approximately 350 liters of oxygen and last about 30 minutes at 10 lpm (1800 psi x0.16/10 LPM = 28 mins)
* Size M Tanks are generally found on board BLS and ALS ambulances and hold about 3000 liters (1800 psi x1.56/10 LPM = 4.7 hrs)