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Flashcards in Minor Surgery l Deck (33)
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1

Local anesthetics block ____ to prevent _____ of pain stimuli

Na
deoplarization & propogation
"non polarization block"

2

If you have 10 cc of 1% lidocaine,, how many mg?

100 mg of lidocaine
(add a zero)

3

Dehiscence - wound rupture along incision after suture is closed. resuture within how long?

48-72 hrs

4

1 cc of 1% is ___ of lidocaine

10 mg

5

SQ angle degrees

30-35

6

ID angle degrees

5-10

7

IM angle degrees

90

8

Amides are metabolized by _____ organ.

liver

9

true allergies are _____

rare

10

lidocaine is a ______ metabolized by Liver

amid

11

lidocaine onset and duration

1-10 min onset
30 -60 min duration

12

Topical amides

lidocaine and EMLA cream/patch

13

Bupivaine/Marcaine used for what?

digit blocks

14

Mepivicain

8-10 min onset
2-2.5 hr duration

15

Mepivicain max adult

5 mg/kg of 1%, not ot exceed 400 mg

16

Ester metabolized in ______ by ______

peripheral plasma (procaine plasma)
pseudocholinesterase

17

Ester - what type of reactions

more allergic reactions

18

Ester Topicals:

benzocaine - poorly absorbed, need at least 10%
proparacaine - ophthalm, < 1 min onset, 15 min duration
cocaine - ENT procedures, < 1 min onset, 1 hr duration
TAC - tetracaine, epi, cocaine, cheap and fast

19

Benzocaine

ester

20

Infiltrative ester

procaine/novocaine - allergic rxn common, slower onset and same duration as lidocaine

21

TAC

tetracaine, epi, cocaine, cheap and fast

22

cocaine

ENT procedures, < 1 min onset, 1 hr duration

23

proparacaine

ophthalm, < 1 min onset, 15 min duration

24

benzocaine

poorly absorbed, need at least 10%

25

Signs of ADRS to anesthetics:

toxicity
allergic/hypersens
autonomic - hyper, tachy, sweat, dizzy syncope

26

toxicity
Tx with ____
SSx

inadvertent injection into major vessel
CNS depressant (bradycardia, hypotension)
Tx w O2

27

Allergic RXn to anesthetics; TX?

TX w benedryl
Severe tx w EPI

28

MC anesthetic to result in allergic rxn?

procaine

29

Uses of EPI

decrease oozing
eliminating absorp
decrease risk of toxic rxns circulating anesthetics
(keeps everything in that area)

30

SE of EPI

anxiety, restlessness, tremors, palps, tachy