analgesics

Question 1

what are properties of lidocaine?

Answer 1

2% solution
dissolve in hydrochloride salt
combined with epinephrine 1:80000

Question 2

describe properties of prilocaine

Answer 2

3% solution with octapressin
4% plain
less effective at controlling haemorrhage

Question 3

what are properties of mepivacain

Answer 3

2% with 1:100k epinephrine

3% plain

Question 4

what are properties of articaine?

Answer 4

4% solution with 1:100k or 1:200k epinephrine

more quickly metabolised- wears off quicker

Question 5

what are two vasoconstrictors?

Answer 5

epinephrine and felypressin

Question 6

what tissues are more susceptible to toxicity?

Answer 6

brain and heart

Question 7

what is the maximum for patients with cardiac disease?

Answer 7

3 cartridges

Question 8

what is the concern re. felypressin in pregnancy?

Answer 8

has oxytoxic effect on the uterus

no concern in practice as 100 req to induce labour

Question 9

what is the maximum dosage of lidocaine?

Answer 9

6.8 cartridges per 70kg

11

Question 10

what is max prilocaine?

Answer 10

4 cartidges per 70 kg

9 max

Question 11

with what drugs should dose limitation be exercised with?

Answer 11

beta blockers and cc blockers

2 cartridge with epinephrine