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Anesthesia (Urethane [Ethyl carbamate] (articles (Ion Channels (how does…
Anesthesia
Urethane
[Ethyl carbamate]
:warning:
carcinogen
ester of
Carbamic acid
fatal dose
1.2 grams/kg or more
articles
Ion Channels
U
minimal effects on
respiratory
cardiovascular
maintenance of spinal reflexes
oocytes
receptors
AMPA
glycine
NAch
GABAa
N-methyl-D-aspartat
in
reversible
and
concentration-dependent
manner
EC50
полумаксимальная эффективная концентрация
how does anesthetics works?
enhance inhibition
inhibit excitatory
types
Most anesthetics
ketamine
mainly NMDA
volatile and IV
U
reversed the antagonistic
effect of bicuculline on GABA-induced depolarization
Male rats
Evoked response ...
barrel cortex
early ERPs
peaks
fast
very fast
gamma band
drugs
urethane
slowest responses
propofol
highest ampl
ketamine/xylazine
isoflurane
nearly absent
except for a very late component
pentobarbital sodium
states
wake
sleep
Isoflurane
ERP components
AEP
N
P
human MAEP
vertex potentials
Middle latency
BAEP
ISIs
earliest
input to layer IV
later
higher processing