Nitrous Oxide (Not in CT Protocols) Flashcards

1
Q

Nitrous Oxide
Classification

A

Analgesic
Anesthetic Gas

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2
Q

Nitrous Oxide
Mechanism of Action

A

NMDA (Glutamate) R antagonist-blockage of neuronal signals to the conscious mind from other parts of the brain, creating dissociative anesthesia, euphoria, and analgesia

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3
Q

Nitrous Oxide
Onset of Action

A

2-5 min

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4
Q

Nitrous Oxide
Peak Effects

A

2-5 min

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5
Q

Nitrous Oxide
Duration of Effect

A

2-5 min

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6
Q

Nitrous Oxide
Half-life

A

5 min

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7
Q

Nitrous Oxide
Indications/Field Use

A

Acute musculoskeletal pain
Pain associated with burns
Ischemic chest pain

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8
Q

Nitrous Oxide
Contraindications

A

-AMS secondary to drugs, alcohol, or head injury
-Inability to comprehend verbal instructions
-Patients with COPD, abdominal pain/distention, or thoracic injury suspicious for pneumothorax
-Facial trauma

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9
Q

Nitrous Oxide
Side Effects/Adverse Reactions

A

Dizziness
Light-headedness
AMS
Hallucinations
N/V

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10
Q

Nitrous Oxide
Adult Dose

A

50/50 mixture O2 and nitrous oxide-self administered until the patient notes relief or drops the mask

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11
Q

Nitrous Oxide
Precautions

A

-Use only in well ventilated areas
-May be impossible to administer in temps less than 21 degrees F

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12
Q

Nitrous Oxide
Drug-drug interactions

A

May potentiate other CNS depressants including narcotics, sedatives, hypnotics, and alcohol

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