Dental Local Anesthetic Calculations: Max Dose, Carpules, and Vasoconstrictors
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38 Terms
How many mg are in 1 carpule of 2% lidocaine?
34 mg
How many mg are in 1 carpule of 4% articaine?
68 mg
How many mg are in 2 carpules of articaine?
136 mg
What is the formula to calculate mg in carpules?
mg/mL × 1.7 × # carpules
How do you convert lbs to kg?
Divide by 2.2
What is the formula for maximum dose in mg?
kg × mg/kg
What is the formula for maximum carpules?
MRD (mg) ÷ mg per carpule
What is the epinephrine concentration in 1:100,000?
0.01 mg/mL
How much epinephrine is in one carpule?
0.017 mg
What is the maximum number of carpules for a healthy patient?
11
What is the maximum number of carpules for a cardiac patient?
2
How is the limiting drug defined?
The drug with the lower max carpules
In articaine with epinephrine, which component is the limiting drug?
Articaine
How many carpules of local anesthetic can a cardiac patient receive?
2
What is the total dosage in mg for 3 carpules of lidocaine?
102 mg
What is the maximum number of carpules allowed for articaine?
7
Which component is the limiting drug in an articaine and epinephrine mixture?
Articaine
What is the adult max dose of 3% mepivacaine?
6.6 mg/kg (max 400 mg)
What is the pediatric max dose of 3% mepivacaine?
4.4 mg/kg
Does 3% mepivacaine contain a vasoconstrictor?
No
What is the duration of 3% mepivacaine?
Short
What is the adult max dose of lidocaine?
7 mg/kg (max 500 mg)
What is the pediatric max dose of lidocaine?
4.4 mg/kg
What is the duration of lidocaine?
Intermediate
What vasoconstrictor is used with lidocaine?
Epinephrine 1:100,000
What is the adult max dose of articaine?
7 mg/kg (max 500 mg)
What is the pediatric max dose of articaine?
7 mg/kg
What is the duration of articaine?
Intermediate
What is unique about articaine dosing?
Often the limiting drug
What is the adult max dose of bupivacaine?
2 mg/kg (max 90 mg)
What is the pediatric max dose of bupivacaine?
1.3 mg/kg
What is the duration of bupivacaine?
Long
What vasoconstrictor ratio is used with bupivacaine?
1:200,000 epinephrine
Which anesthetic has the lowest max dose?
Bupivacaine
Which anesthetic has no vasoconstrictor?
3% mepivacaine
Which anesthetic lasts the longest?
Bupivacaine
Which anesthetics have the same adult mg/kg dose?
Lidocaine and Articaine (7 mg/kg)
Which anesthetic has the highest pediatric dose?
Articaine (7 mg/kg)