system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
The local anaesthetic toxicity is maximally seen with?
assistant
The correct answer is  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.