Anesthesia and Critical Care Reviews and Commentary (ACCRAC) Podcast Episode 271: Keywords Part 25: Lower Extremity Nerve Blocks
Dec 18, 2023
Topics include lower extremity nerve blocks, anatomy knowledge in performing procedures, differences between popliteal and higher approaches for sciatic nerve blocks, femoral nerve block and its role in lower extremity nerve blocks, strategies for multiple choice questions, and random recommendations for a Trinidadian cooking YouTube channel and a word game called Connections.
AI Snips
Chapters
Transcript
Episode notes
Ankle Block Nerve Anatomy
- An ankle block anesthetizes the foot via five peripheral nerves, mainly sciatic nerve branches and the saphenous nerve from the femoral nerve.
- It's a technically easy, safe block with almost 100% success and minimal side effects, often used for foot surgeries like diabetic toe amputations.
Nerves for Great Toe Surgery
- Know the nerve innervation of the great toe to choose appropriate nerves to block for surgery.
- The great toe requires blocking deep peroneal, posterior tibial, superficial peroneal, and saphenous nerves, but not the sural nerve.
Posterior Tibial Nerve Function
- Flexion of the toes during electrical stimulation at the ankle indicates stimulation of the posterior tibial nerve.
- Knowing nerve-muscle relationships is important for nerve block techniques, including nerve stimulator use.