Anesthetic Choices and Dosing
Draw up 30cc’s of 1% lidocaine with epinephrine for the block. This will provide 4-6 hours of anesthesia. Longer acting local anesthetics can be used (see table below), but their benefits should be weighed against their higher toxicity and longer onset. In a separate syringe draw up 3cc’s for anesthetizing the skin.
Table 1: Local anesthetic Doses for Infiltration
Anesthetic |
Duration without Epi (min) |
Duration with Epi (min) |
Maximum Dose without Epi, mg/kg |
Maximum Dose with epi, mg/kg |
Lidocaine (1%) |
30 – 120 |
60 – 400 |
4.5 |
7 |
Mepivicaine (1%) |
30 – 120 |
30 – 120 |
4.5 |
7 |
Bupivicaine (0.5%) |
120-240 |
240-480 |
2.5 |
3.3 |