Question

Maximum amount of local anesthetic used for without adrenaline extraction

Answer 1

It has to be taken into consideration that safe upper limit of LA with epinephrine is 7 mg/kg (up to 21 mL for 60 kg body weight) but simultaneously, it will deliver very high concentration of epinephrine, which can cause detrimental effects; so, safe upper limit of LA with epinephrine to be used in cardiac patients is no more than 8 mL (4 cartridges) of 2% lignocaine with 1:200,000 epinephrine; 4 mL (2 cartridges) of 2% lidocaine with 1:100,000 epinephrine and only 2 mL (1 cartridge) of 2% lignocaine with 1:50,000 epinephrine should be used for any dental procedure for older adults with cardiovascular disease.[5] For patients with stabilized cardiovascular diseases, routine dental treatment may usually be delivered. However, patients with unstable cardiac condition dental care should be deferred until their medical conditions have been stabilized under the care of their physicians