Nitrous Oxide: Oxygen (50:50) (Notrox)

Question 0

Nitrous oxide - mechanism of action

Answer 0

Unknown; effects CNS Phospholipids

Question 1

Nitrous oxide -class

Answer 1

Gaseous analgesic and anesthetic

Question 2

Nitrous oxide – indications

Answer 2

Moderate to severe pain, anxiety, apprehension

Question 3

Nitrous oxide – contraindications

Answer 3

Impaired level of consciousness, head injury, inability to comply with instructions; decompression sickness(nitrogen narcosis, air embolism, air transport); undiagnosed abdominal pains or Mark distention, bowel obstruction; hypotension, shock, COPD (with history/suspicion of carbon dioxide retention); cyanosis; chest trauma with pneumothorax.

Question 4

Nitrous oxygen - adverse reactions

Answer 4

Dizziness, apnea, expansion of gas-filled pockets, cyanosis, nausea, vomiting, malignant hyperthermia, drowsiness, euphoria.

Question 5

Nitrous oxide – drug interactions

Answer 5

None of significance

Question 6

Nitrous oxide - How supplied

Answer 6

D and E cylinders (blue and green) of 50% nitrous oxide and 50% oxygen compressed gas.

Question 7

Nitrous oxide – route

Answer 7

Inhalation

Question 8

Nitrous oxide – dosage and administration

Answer 8

Adult: (note invert cylinder several times before use). Instruct the patient to inhale deeply through the demand valve and mask or mouthpiece

Question 9

Nitrous oxide – duration of action

Answer 9

Onset: 2–5 minutes. Peak effect: variable. Duration: 2–5 minutes.

Question 10

Nitrous oxide – special considerations

Answer 10

Pregnancy safety: nitrous oxide increases the incidence of spontaneous absorption. Ventilate patient During use. Nitrous oxide is a noninflammable and nonexplosive gas. Nitrous oxide is ineffective and 20% of the population.