Nitrous Oxide Flashcards by E L | Brainscape

Q

Nitrous Oxide

Class

A

Gaseous analgesic & anesthetic

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Q

Nitrous Oxide

Mechanism of action

A

Affects CNS phospholipids
Exact mechanism unknown

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Q

Nitrous Oxide

Indications

A

Treat moderate to severe pain
Anxiety & apprehension

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Q

Nitrous Oxide

Contraindications

A

AMS
Head injury
Decompression sickness
Undiagnosed ABD pain
Shock
Hypotension
Chest trauma with pneumothorax
Cyanosis
COPD with hx of CO2 retention

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Q

Nitrous Oxide

Adverse reactions

A

Dizziness
Apnea
Expansion of gas pockets
Malignant hyperthermia
Drowsiness & Euphoria
N/V
Cyanosis

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Q

Nitrous Oxide

Drug interactions

A

None

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Q

Nitrous Oxide

Dosage and administration

A

Adult and Ped:

Instruct pt to inhale deeply
Invert cylinder several times before use

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Q

Duration of action

A

Onset: 2-5 min
Peak effect: Variable
Duration: 2-5 min

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Q

Nitrous Oxide

Special considerations

A

Preg Cat: C
Increased risk of spontaneous abortion
Ventilate pt during use
Gas is not flammable or explosive
Ineffective in 20% of population

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