Infiltration Anesthesia - Exam 2

Question 1

Indication for subcut infiltration

Answer 1

IV placement
suturing

Question 2

Indication for submucosal infiltration

Answer 2

denta; procedures

Question 3

Indication for wound infiltration/field blocks

Answer 3

postop pain control at incision site

Question 4

Indication for intraarticular injections

Answer 4

postop pain control, arthritic joint pain control

Question 5

Indication for infiltrative nerve blocks

Answer 5

ankle, wrist, digit blocks, cutaneous nerve blocks for upper extremity

Question 6

T/F Any LA can be used for infiltration anesthesia

Answer 6

T

Question 7

Why does infiltration of LA hurt initially?

Answer 7

related to acidic nature of solution
-sodium bicarb adjunct reduces pain and speeds onset

Question 8

Infiltration Anesthesia - Procaine
-conc
-Max dose +/- Epi
-DOA +/- Epi

Answer 8

1-2%

Max: 400mg (600mg + Epi)

DOA: 20-30 min (30 + Epi)

Question 9

Infiltration Anesthesia - Chloroprocaine
-conc
-Max dose +/- Epi
-DOA +/- Epi

Answer 9

1-2%

Max: 800mg (1000mg + Epi)

DOA: 15-30 min (30 min +Epi)

Question 10

Infiltration Anesthesia - Lidocaine
-conc
-Max Dose +/- Epi
-DOA +/- Epi

Answer 10

0.5-1.0%

Max: 300mg (500mg + Epi)

DOA

Question 11

Infiltration Anesthesia - Mepivacaine
-conc
-Max dose (+/- Epi)
-DOA +/- Epi

Answer 11

0.5-1.0%

Max: 300mg (500mg + Epi)

DOA: 45-90min (120min + Epi)

Question 12

Infiltration Anesthesia - Prilocaine
-conc
-Max Dose +/- Epi
-DOA +/- Epi

Answer 12

0.5-1.0%

Max: 500mg (600mg + Epi)

DOA: 30-90min (120 min + Epi)

Question 13

Infiltration Anesthesia - Bupivacaine ‘
-conc
-Max dose +/- Epi
-DOA +/- Epi

Answer 13

0.25-0.5%

Max: 175mg (225 mg + Epi)

DOA: 120-140min (180 min + Epi)

Question 14

Infiltration Anesthesia - Etidocaine
-conc
-Max dose +/- Epi
-DOA +/- Epi

Answer 14

0.5-1.0%

Max: 300mg (400mg +Epi)

DOA: 120-180 min (180 min + Epi)

Question 15

LA used for topical anesthesia

Answer 15

Lidocaine
Dibucaine
Tetracaine
Benzocaine

Question 16

EMLA cream
-contents
-indications

Answer 16

2.5% Lidocaine and 2.5% Prilocaine

I: IV insertion, skin grafting, newborn circumcisions

Question 17

TAC solution
-contents
-indications
-Max doses

Answer 17

Tetracaine 0.5% Epi 1:200,000 Cocaine 10-11.8%

I: topical anesthesia applied to cut skin

Max: 3-4mL (adult) or 0.05mL/kg (child)

-never put near or on mucosal surfaces bc can cause fatal toxic reaction from rapid absorption

Question 18

LET solution
-contents
-indications

Answer 18

Lidocaine 4% Epi 1:200,000 Tetracaine 0.5%

cocaine-free alternative to TAC

Question 19

Topical Benzocaine
-conc
-form
-area of use

Answer 19

1-5%, 20%

form: cream (1-5%), aerosol or ointment (20%)

area: skin + mucosal membrane

Question 20

Topical Cocaine
-conc
-form
-area of use

Answer 20

4%

form: solution

area: ear, nose, throat

Question 21

Topical Dibucaine
-conc
-form
-area of use

Answer 21

0.25-1%, 0.25%, 2.5%

form: cream, ointment, aerosol (0.25-1%), solution (0.25%), suppository (2.5%)

area: skin, ear, rectum

Question 22

Topical Lidocaine
-conc
-form
-area of use

Answer 22

2-4%, 2%, 2.5-5%, 10%

form: solution (2-4%), jelly or viscous (2%), ointment (2.5-5%), suppositories and aerosol (10%)

area: oropharynx, tracheobronchial tree, nose, urethra, skin, mucosa, rectum, gingival mucosa

Question 23

Topical Tetracaine
-conc
-form
-area of use

Answer 23

0.5-1%, 0.25-1%

form: ointment and cream (0.5-1%), solution (0.25-1%)

area: skin, rectum, mucosa, nose, tracheobronchial tree