The local anaesthetic toxicity is maximally seen with?
According, the rate of systemic absorption is greatest with intercostal nerve blocks followed by caudal, lumbar epidural, brachial plexus block femoral and sciatic nerve blocks. Sequence of systemic absorption IV > Tracheal > Intercostal block > Para cervical block > Caudal > Lumbar epidural > Brachial Plexus > Sciatic > Subcutaneous.
Epidural
Intercostal space
Caudal space
Sciatico-femoral nerve block
Regional Anesthesia