Protein bound
75%
Mechanism of action
Rapid onset of sleep 30-60 seconds Rapid awakening Enhance GABA GABA A receptors with B3 subunits rapid awakening
Hydrolyzed
To inactive metabolites via ester hydrolysis
Elimination half life
75 mins
Clearance
5x Pentothal
Excretion
85% renal
15% biliary
CV effects
Doesn’t effect SNP, HR, SVR
Preserves function
Pulmonary effects
Minimal respiratory depression
Increased with opioids
CNS effects
decrease CBF, ICP, CMRO2
Supplied
2mg/ml
When administered IV
Burns on injection
Caution with
Myoclunus
Adrenal suppression
Adrenal suppression
Inhibits 11B-hydroxylase and to a less
re extent 17a-hydroxylase
Decrease cortisol & aldosterone
Nausea
Increased compared to NaP or propofol
Analgesia effects
None
Derivative
Imidazole