Sevoflurane Flashcards

(47 cards)

0
Q

No more than __ carbon atoms, non flammable, and stable to soda lime

A

Four

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

Is sevo a methyl isopropyl ether or a methyl ethyl ether?

A

Methyl isopropyl ether

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Fully halogenated compounds are usually __ anesthetics and convulsants

A

Poor

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Metabolism rate of sevo

A

3-5%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

Blood gas partition coefficient of sevo

A

0.69

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Sevo is __ an airway irritant

A

Not really

Can do a one breath sevo induction

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

How many fluorine atoms on sevo?

A

Seven

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Des is synthesized from __

A

ISO

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Mac of sevo

A

2.1%

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Addition of nitrous __ mac of sevo

A

Decreases

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Mac awake __

A

0.3 x mac (2.1)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

Mac BAR

A

1.5x mac

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

Mac intubation

A

2x mac

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Hypothermia, increased age, benzo, opiates, alpha2 agonists, nitrous, pregnancy, acute ethanol, sick, hypoNA, hyperMag
All __ mac

A

Decrease

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

CNS catecholamine stim, chronic ethanol, hyperNa

All __ mac

A

Increase

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

The lower the BGPC, the __ alveolar conc equilibrates to arterial conc

A

Quicker

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

Low solubility of sevo facilitates __ lung elimination

A

Rapid

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
17
Q

Sevo vapor pressure

A

160 mmHg

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
18
Q

Increased ventilation = __ equilibration

19
Q

Increased cardiac output = __ equilibration

20
Q

Sevo could equilibrate in __ minutes in the vessel rich group

21
Q

Can sevo provide retrograde amnesia or long term impairment of intellectual function?

22
Q

Sevo __ reduce cerebral metabolic oxygen requirements

23
Q

Sevo has the potential to increase ICP in patients with space occupying lesions not receiving hyperventilation.

A

Slide 37
It is a cerebral blood vessel dilator
Treat by hyperventilate to end tidal CO2 around 30

24
Around 2 mac you may have an __ EEG
Isoelectric
25
Sevo does not produce seizures and can actually __ seizure activity
Suppress
26
Sevo increases cerebral blood flow for up to __ hours
Four
27
Hyperventilate to an end tidal CO2 of __ to counteract increased cerebral blow flow
30
28
Sevo iso des ALL lower BP by decreasing __
SVR
29
Sevo __ delivery of NMB
Enhances
30
Sevo and right to left shunt?
Yes
31
Sevo has __ effect on PVR
No
32
Spontaneous ventilation causes CO, SBP, and SVR to __ more, but HR will increase more
Decrease
33
Can you abruptly change concentrations in sevo?
Yes, unlike iso and des
34
Inhalation induction with a sick heart?
NO
35
Sevo causes apnea around
1.5-2 mac
36
Sevo breathing is like a lizard on a hot rock
Small tidal, fast rate, decreased minute ventilation, increased CO2
37
The ventilatory effects __ over time
Decrease
38
Does sevo have muscle relaxant properties?
Yes, weak
39
__ is the best way to counteract the ventilatory effects of sevo
Put a garden hose down their gullet
40
Sevo is a __ bronchodilator and can break an attack of status asthmaticus
Potent
41
Where is sevo metabolized?
Liver by cytochrome p450
42
If your patient has a hx of post anesthesia hepatitis, that cannot occur with use of __ ONLY SEVO cannot be implicated in post-anesthetic hepatotoxicity.
Sevo
43
What is a byproduct of sevo metabolism that is nephrotoxic?
Free fluoride
44
Two bad compounds that sevo can metabolized into?
Compound A | HFIP
45
Amsorb produces the lowest concentration of compound _
A | Test question
46
Keep sevo __ during obstetrics due to uterine atony and possible hemorrhage
Minimal