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Pharm of IV anesthetics
Pharmacology
29
Medical
Professional
01/16/2012

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Cards

Term
The most important elimination tactic in IV drugs
Definition
Distribution
Term
How does Thiopental enter the brain
Definition
GABA a receptor complex
increases DURATION of Cl- channel opening
Term
Thiopental effect on CNS
Definition
decr. CBF and metabolic rate for O2 and **ICP**
Term
Thiopental effect on CV
Definition
Arterial BP, vasc resist, CO= decrease
Heart rate: increases

**patients in shock**
experience large drops in BP
Term
Thiopental effect on respiratory system
Definition
does not relax trachea: decr. mucociliary clearance
causes **hiccups**
Term
clinical use of thiopental
Definition
infusion during neuroanesthesia for brain protection
Term
what classification is midazolam
Definition
benzo
Term
How does midazolam get into the brain
Definition
GABA receptors
increasing FREQUENCY of channel opeining
Term
What makes midazolam water soluble and lipid soluble?
Definition
water soluble: imidzazole ring remaining open

lipid soluble: imidazole closes, more unionized speeding onset of action
Term
Effect of Midazolam on CNS
Definition
EEG resembles sleep
anterograde amnesia
Term
Effect of Midazolam on CV system
Definition
Impair barceptor reflex
Term
Overdose of GABA ags can be overcome by
Definition
Flumazenil
Term
Opioids effect on amnesia
Definition
No reliable amnesia is produced
Term
How do opioids get into the brain
Definition
mu receptors (GPCR)
Term
Misc effects of opioids
Definition
Pruritis
Chest wall rigitidy
resp depression and apnea
Term
what is morphine given for?
Definition
post op pain relief
analgesic supplement
Term
what is meperidine given for?
Definition
post-op shivering
Term
This IV anesthetic is due to elimination
Definition
Remifentanil- the shortest acting narcotic
Term
What is ketamine
Definition
phencyclidine derviative that produces dissociative anesthesia w/NO MUSCLE RELAXATION
Term
MoA for ketamines
Definition
Inhibits NMDA channel
Term
Ketamine effect on CNS
Definition
excitatory and hallucinatory phenomena
increases in ICP
Term
Ketamine effec on CV
Definition
can cause hypertension and tachycardia in healthy patients
Term
Ketamine effect on respiratory
Definition
a very potent bronchodilator (asthma)
Term
Etomidate mech of action
Definition
GABA receptor complex
Term
Etomidate effect on CNS
Definition
*good for pts w/ICP increase*
Term
Etomidate effect on Cv systemn
Definition
NONE: the best agent for pts. w/compromised heart problems
Term
Propofol mech of action
Definition
enhance Cl- conductance at glycine channel
Term
This drug has been reported to elevate mood the day after
Definition
propofol
Term
This drug has alpha 2 agonist activity
Definition
Dexmedetomidine
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