Anesthesia (local/regional)
- Local anesthetic blocks voltage-gated Na+ channels
- Infiltration, nerve block, spinal or epidural routes
- Add vasoconstrictor to prolong selected local blocks
- Dose by site, agent + body size
- Watch for LAST and nerve injury
- Regional anesthesia can reduce systemic opioid need
Use at a glance
- Local anesthetic blocks voltage-gated Na+ channels
Practical pearls
- Infiltration, nerve block, spinal or epidural routes
Other practical pearls
- Watch for LAST and nerve injury
- Regional anesthesia can reduce systemic opioid need
Choosing treatment
- Add vasoconstrictor to prolong selected local blocks
- Dose by site, agent + body size
Self-check
- Which channels do local anesthetics block?
Voltage-gated Na+ channels. - What systemic drug need can regional anesthesia reduce?
Opioids.
Drugs used for this (9)
All clinical uses · Open Anesthesia (local/regional) in the interactive console ↗