Medicine

Question 1

mg of lidocaine in a 2% lido carpule

Answer 1

36 mg

(carpule = 1.8 mL)

Question 2

Max dose of anesthetic and epinephrine by weight

Answer 2

Lido or articaine - 3.2 mg/lb (500mg max)

Epinephrine (reg. pt) - .2 mg
Cardiac pt - .04 mg

Question 3

How much epi (mg) per anesthetic carpule?

Answer 3

1:100,000: .01 mg/mL x 1.8 mL = .018 mg

1:200,000: .005 mg/mL x 1.8 mL = .009 mg

Question 4

Max dose of lidocaine w/ epi

Answer 4

3.2 mg/lb (38 mg/carp)

max: 500mg (11 carps)

Question 5

Calculate max dose of lido and epi for a 150 lb patient.
How many carps (2% lido 1:100k epi)?

Answer 5

Lido max: 3.2 mg/lb x 150 lb = 480 mg
Epi max: .2 mg

Lido: 480 mg / 38 mg/carp = 12.6 carps
Epi: .2 mg / .018 mg/carp = 11.1 carps

Max carps = 11