A patient was admitted epidural anaesthesia with 15 ml of 1.5%. Lignocaine with adrenaline for hernia surgery. He devoled hypotension and respiratory depression within 3 minutes after administration of block. The most common cause would be:
D i.e. Drug has entered the sub arachnoid space
Allergy to drug administered
Systemic toxicity to drug administered
Patient got vasovagal shock
Drug has entered the subarachnoid space
Drug has entered the subarachnoid space