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Lorazepam
Trade Name
Ativan
Lorazepam
Class
Benzodiazepine
Sedative-Hypnotic
Anticonvulsant
Lorazepam
Mechanism of Action
Anxiolytic
Anticonvulsant and sedative effects
Suppresses propagation of seizure activity produced by foci in cortex, thalamus and limbic areas
Lorazepam
Indications
Management of seizures
Adjunct to cardioversion & pacing (sedation)
Lorazepam
Contraindications
Acute narrow-angle glaucoma.
Coma
Shock
Suspected drug abuse
Lorazepam
Adverse Reactions
Respiratory depression
Apnea
Drowsiness
Sedation
Ataxia
Psychomotor impairment
Confusion
Restlessness
Delirium
Hypotension
Bradycardia
Lorazepam
Drug Interactions
May precipitate CNS depression if patient is already taking CNS depressant medications
Lorazepam
How Supplied
2 and 4 mg / ml concentrations in 1 ml vials
Lorazepam
Dosage and Administration
Adult
2-4 mg slow IV/IO at 2 mg/min. or IM; may repeat in 15-20 minutes to maximum dose of 8 mg
Note: When given IV or IO, must dilute with equalvolume of sterile water or sterile salineWhen given IM, Lorazepam is not to be diluted
Lorazepam
Dosage and Administration
Pediatric
0.05 -0.20 mg/kg slow IV, IO slowly over 2 minutes or IM; may repeat in 15-20 minutes to maximum dose of 0.2 mg/kg
Note: When given IV or IO, must dilute with equalvolume of sterile water or sterile salineWhen given IM, Lorazepam is not to be diluted
Lorazepam
Duration of Action
Onset of action
: 1-5 minutes
Peak effect
: variable
Duration of action
: 6-8 hours
Lorazepam
Special Considerations
Pregnancy safety
: Category D
Monitor BP and respiratory rate during administration
Have advanced airway equipment readily available
Inadvertent arterial injection may result in vasospasm and gangrene
Lorazepam expires in 6 weeks if not refrigerated
Author
papeirce
ID
77133
Card Set
lorazepam.txt
Description
Prehospital Medication Flashcards for Paramedic School - Massachusetts and Rhode Island
Updated
2011-04-04T02:21:33Z
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