Sevoflurane Flashcards
(47 cards)
No more than __ carbon atoms, non flammable, and stable to soda lime
Four
Is sevo a methyl isopropyl ether or a methyl ethyl ether?
Methyl isopropyl ether
Fully halogenated compounds are usually __ anesthetics and convulsants
Poor
Metabolism rate of sevo
3-5%
Blood gas partition coefficient of sevo
0.69
Sevo is __ an airway irritant
Not really
Can do a one breath sevo induction
How many fluorine atoms on sevo?
Seven
Des is synthesized from __
ISO
Mac of sevo
2.1%
Addition of nitrous __ mac of sevo
Decreases
Mac awake __
0.3 x mac (2.1)
Mac BAR
1.5x mac
Mac intubation
2x mac
Hypothermia, increased age, benzo, opiates, alpha2 agonists, nitrous, pregnancy, acute ethanol, sick, hypoNA, hyperMag
All __ mac
Decrease
CNS catecholamine stim, chronic ethanol, hyperNa
All __ mac
Increase
The lower the BGPC, the __ alveolar conc equilibrates to arterial conc
Quicker
Low solubility of sevo facilitates __ lung elimination
Rapid
Sevo vapor pressure
160 mmHg
Increased ventilation = __ equilibration
Quicker
Increased cardiac output = __ equilibration
Slower
Sevo could equilibrate in __ minutes in the vessel rich group
4-8
Can sevo provide retrograde amnesia or long term impairment of intellectual function?
NO
Sevo __ reduce cerebral metabolic oxygen requirements
Will
Sevo has the potential to increase ICP in patients with space occupying lesions not receiving hyperventilation.
Slide 37
It is a cerebral blood vessel dilator
Treat by hyperventilate to end tidal CO2 around 30