Barbiturates Flashcards
1
Q
Barbiturate receptor
A
ionotropic GABAa
2
Q
Barbiturate MOA
A
enhanced affinity for GABA -> prolonged Cl channel opening -> cell hyperpolarization
3
Q
Barbiturate indication
A
induction anesthesia, sedation
4
Q
Barbiturate contraindication
A
Porphyria
5
Q
Barbiturate distribution
A
peak 2-3 min
6
Q
Barbiturate biotransformation
A
hepatic phase 1 CYP450, Phase 2 conjugation
7
Q
Barbiturate elimination
A
Renal half time 4 hrs
saturates fat compartment
8
Q
Barbiturate side effects
A
myocardial depression, vasodilation, resp depression
9
Q
Methohexital dose
A
1-2 mg/kg IV
10
Q
Methohexital onset
A
1 min
11
Q
Methohexital peak
A
2-3 min
12
Q
methohexital duration
A
5-7 mi