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apa 1 /sim S. Horvath > pre-op assessment > Flashcards

pre-op assessment Flashcards

1
Q

MAC

A

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

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2
Q

when do you want a full mac?

A

prior to incision

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3
Q

who has the highest MAC requirement

A

infants

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4
Q

as people get older, mac values

A

decreases

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5
Q

the more oil/lipid soluble an inhaled anesthetic is,

A

the more potent it is. Meyer Overton rule

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6
Q

MAC value for isoflurane

A

1.2

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7
Q

MAC for sevo

A

2.0

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8
Q

MAC for des

A

6.6

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9
Q

normal Hct

A

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

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10
Q

normal hgb

A

7 is acceptable

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11
Q

multiply hgb by ___ to get your hct

A

3

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12
Q

Mac for nitrous

A

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

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13
Q

which gas is the most potent

A

iso, then sevo, then des, then nitrous

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14
Q

MP class 1

A

soft palate, tonsillar fauces, tonsillar pillars, and uvula

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15
Q

MP class 2

A

soft palate, tonsillar fauces, and uvula

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16
Q

MP class 3

A

soft palate and base of uvula

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17
Q

MP class 4

A

soft palate not visualized. hard palate only

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18
Q

what is the cormack view

A

the view of the chords you actually see on laryngoscopy

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19
Q

cormack grade 1

A

full view of vocal cords, glotties

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20
Q

cormack grade 2

A

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

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21
Q

cormack grade 3

A

only epiglottis.. (very partial cartilages?)

22
Q

cormack grade 4

A

only soft palate

23
Q

voluntary protrusion of mandible means

A

make an underbite

24
Q

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

A

they cant make an underbite and have poor jaw mobility

25
Q

what does interincisor distance mean

A

difference between top and bottom teeth when they open their mouth

26
Q

interincisor distance should be

A

at least 2 fingers (4cm)

27
Q

shape of palate is a problem if it’s

A

highly arched or very narrow

28
Q

thyromental distance definition

A

distance from tip of chin to tip of thyroid cartilage

29
Q

thyromental distance should be

A

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

30
Q

three axis theory.. what are they

A

pharyngeal, laryngeal, mouth

31
Q

minimum required incisor gap is

A

4cm, 2fingers

32
Q

length of surgery greater risk

A

> 2-3h

33
Q

high risk on STOPBANG is a score

A

> 3

34
Q

hypertension numbers

A

sys>140 or dias >90

35
Q

antisialoguge

A

reduces secretios

36
Q

stopbang.. B

A

BMI >35 is a risk

37
Q

stopbang… age

A

> 50 is a risk

38
Q

stopbang N

A

circumference >40 is a risk

39
Q

condition with the greatest risk of non cardiac surgery MI

A

aortic stenosis

40
Q

fasting guidelines. no clears for

A

2h

41
Q

no light meal for

A

6h

42
Q

mendelson syndrome

A

chemical pneumonitis d/t aspiration

43
Q

what do BB do for hyperthyroid patients

A

reduce peripheral conversion of T4 to T3

44
Q

atypical pseudocholinesterase

A

need post op vent support until succs metabolizes

45
Q

failure to obtain consent is

A

breach of duty

46
Q

the act of performing a procedure without proper consent is

A

battery

47
Q

what is sodium bicitrate used for

A

increase gastric fluid ph. decrease risk of aspiration

48
Q

versed dose IV and IM

A

1-5mg IV, 2.5-5mg IM

49
Q

versed onset

A

30-60s IV, 15-30min PO

50
Q

versed peak

A

3-5min IV

51
Q

versed duration

A

15-80min

apa 1 /sim S. Horvath (17 decks)

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