Explore the intricacies of neuraxial block techniques in this comprehensive anesthesiology lecture. Delve into the embryology, pharmacology, and clinical applications of epidural and spinal anesthesia. Learn to differentiate between these regional anesthesia methods, understand the composition of local anesthetic solutions, and recognize potential complications such as post-dural puncture headache. Build upon previous knowledge of airway management, tracheal intubation, and pharmacokinetics to enhance your understanding of regional anesthesia in clinical practice.