AMYL NITRATE Flashcards
Generic/Trade Name
AMYL NITRATE
AMYL NITRATE
AMYL NITRATE
Drug Classification:
Antidote
Nitrate Vasodilator
AMYL NITRATE
Mechanism of Action:
Short acting vasodilator and SMC relaxant that oxidizes hemoglobin to become methemoglobin, which forms a non-toxic complex with the cyanide ion to form cyanomethemoglobin, which can be enzymatically
degraded
AMYL NITRATE
Pharmacokinetics
- Onset of Action = 10-30 sec
- Peak Effects = 30 sec
- Duration of Effect = 3-5 min
- Half-Life = N/A
AMYL NITRATE
Indications & Contraindications
Indications/Field Use:
• Cyanide Poisoning
Contraindications:
• None
AMYL NITRATE
Side Effects/Adverse Reactions:
N+V, Headache, dizziness, weakness, syncope
tachycardia, orthostatic hypotension
flushing, cold sweats
AMYL NITRATE
Adult & Pedi Dose:
(ADULT) & (PEDI):
0.3mL ampule crushed, inhaled over 15-30 sec, q 1 min
until sodium nitrate infusion is available
AMYL NITRATE
Precautions:
- May be a medication of abuse, should be stored in secure place with narcotics
- smells like dirty, sweaty socks
- Ensure patient is sitting prior to administration, hypotension and syncope may be sudden
AMYL NITRATE
Drug-Drug Interactions:
Hypotension potentiated by:
- antihypertensives
- β blockers
- and certain antiemetics (phenothiazines)