Lorazepam G7 Flashcards
Lorazepam Class
• Benzodiazepine
• Anticonvulsant
• Sedative
• Hypnotic
Lorazepam MOA
• Produces sedation by acting on the limbic system, the thalamus, and cortex
• Binds to gamma-amino butyric acid (GABA) benzodiazepine receptors in the brain
• Raises the seizure threshold
• Produces tranquilizing (antianxiety) effect on the central nervous system
Lorazepam Indications
• Seizure activity
• Status epilepticus
• Procedural sedation for intubation and cardioversion
• Chemical restraint for agitated (excited) delirium
• Severe anxiety
Lorazepam Adult dose
• Seizure IV/IO/IM: 2.0 to 5.0 mg (IV over 2 min)
• Procedural sedation IV/IO: 2.0 mg over 2 min
• Procedural sedation IM: 4.0 mg
• Maximum dosage: 10 mg
Lorazepam Contraindications
• Known hypersensitivity to the drug
Lorazepam Adverse effects
• Sedation
• Transient amnesia
• Respiratory depression
• Respiratory arrest
• Bradycardia
• Hypotension
Lorazepam Pediatric dose
• Seizure IV/IO/IM: 0.05 to 0.1 mg/kg over 2 min
• Maximum dosage 4.0 mg