Drugs Flashcards
GABAa receptor MOA
chloride flux into cell
drugs that augment GABAergic neurotransmission
propofol and barbs and benzo
binding sit of benzo receptor (what receptor do benzos enhance)
GABAa
competitive antagonist of BNZ receptor
flumazenil
agonists of GPCR system reduce activity of what?
adenyl cyclase –> cause dephosphorylation of ion channels –> activates K channels and hyperpolarization
opioids and central alpha-2 receptors are examples of what receptor class?
GPCR
central alpha 2 receptor agonists (2)
clonidine and dexmedetomidine
opioid (mew1/2) receptor agonists
fentanyl, morphine
Ketamine blocks what receptor?
NMDA
midazolam dosing
0.05-0.1mg/kg
midazolam onset
<60sec
midazolam repeat dose
0.05-0.1mg/kg
q3-5min
midazolam duration
15-30min
AE midazolam
antegrade amnesia, disinhibition, DIZZINESS
central alpha-2 agonists affect what channels?
potassium channels - K efflux out of cell and membrane hyperpolarization