pre-op assessment Flashcards Preview

apa/sim > pre-op assessment > Flashcards

Flashcards in pre-op assessment Deck (51):
1

MAC

minimum alveolar concentration. stands for the alveolar partial pressures of a gas in which 50% of humans do not respond to a surgical stimulus.

2

when do you want a full mac?

prior to incision

3

who has the highest MAC requirement

infants

4

as people get older, mac values

decreases

5

the more oil/lipid soluble an inhaled anesthetic is,

the more potent it is. Meyer Overton rule

6

MAC value for isoflurane

1.2

7

MAC for sevo

2.0

8

MAC for des

6.6

9

normal Hct

25-30% is tolerated, 25-40 is normal.

10

normal hgb

7 is acceptable

11

multiply hgb by ___ to get your hct

3

12

Mac for nitrous

104.. but really 100. cant get to a full mac of nitrous

13

which gas is the most potent

iso, then sevo, then des, then nitrous

14

MP class 1

soft palate, tonsillar fauces, tonsillar pillars, and uvula

15

MP class 2

soft palate, tonsillar fauces, and uvula

16

MP class 3

soft palate and base of uvula

17

MP class 4

soft palate not visualized. hard palate only

18

what is the cormack view

the view of the chords you actually see on laryngoscopy

19

cormack grade 1

full view of vocal cords, glotties

20

cormack grade 2

partial view of epiglottis, vocal cords, arytenoid, and corniculate cartilages

21

cormack grade 3

only epiglottis.. (very partial cartilages?)

22

cormack grade 4

only soft palate

23

voluntary protrusion of mandible means

make an underbite

24

if patient cannot bring their mandibular incisions anterior to their maxillary incisors

they cant make an underbite and have poor jaw mobility

25

what does interincisor distance mean

difference between top and bottom teeth when they open their mouth

26

interincisor distance should be

at least 2 fingers (4cm)

27

shape of palate is a problem if it's

highly arched or very narrow

28

thyromental distance definition

distance from tip of chin to tip of thyroid cartilage

29

thyromental distance should be

3 fingers. or 7cm. 6 or less ins problematic

30

three axis theory.. what are they

pharyngeal, laryngeal, mouth

31

minimum required incisor gap is

4cm, 2fingers

32

length of surgery greater risk

>2-3h

33

high risk on STOPBANG is a score

>3

34

hypertension numbers

sys>140 or dias >90

35

antisialoguge

reduces secretios

36

stopbang.. B

BMI >35 is a risk

37

stopbang... age

>50 is a risk

38

stopbang N

circumference >40 is a risk

39

condition with the greatest risk of non cardiac surgery MI

aortic stenosis

40

fasting guidelines. no clears for

2h

41

no light meal for

6h

42

mendelson syndrome

chemical pneumonitis d/t aspiration

43

what do BB do for hyperthyroid patients

reduce peripheral conversion of T4 to T3

44

atypical pseudocholinesterase

need post op vent support until succs metabolizes

45

failure to obtain consent is

breach of duty

46

the act of performing a procedure without proper consent is

battery

47

what is sodium bicitrate used for

increase gastric fluid ph. decrease risk of aspiration

48

versed dose IV and IM

1-5mg IV, 2.5-5mg IM

49

versed onset

30-60s IV, 15-30min PO

50

versed peak

3-5min IV

51

versed duration

15-80min