LOCAL ANESTHETIC NBDE & NBDHE PEARL
Ricky Rubin
Local anesthetics should NEVER be frozen while being shipped or stored. Frozen anesthetic can compromise the seal of the rubber plunger in the carpule and subsequently introduce AIR into the anesthetic solution and degrade the anesthetic. When administering local anesthetic ALWAYS aspirate to ensure that the needle is not entering a blood vessel. If a positive aspiration occurs (blood in the carpule), REDIRECT the syringe and re-aspirate until a negative aspiration is achieved.
