PreOp Meds: Lorazepam (Ativan) Flashcards
1
Q
Of midazolam, diazepam, and lorazepam, which is the most potent sedative/amnestic?
A
- Lorazepam
2
Q
Which benzodiazepine has the slowest onset of action?
A
- Lorazepam
3
Q
When is peak effect seen with lorazepam?
A
- 20-30 min with IV dose (1-4mg)
4
Q
What is the E ½ time of lorazepam?
A
- 14 hours
5
Q
Which benzodiazepine’s metabolism is less dependent on CYP450’s?
A
- Lorazepam (better drug for liver patients)
6
Q
When is lorazepam most useful?
A
- Post-operative sedation
