Regional Anesthesia And Nerve Blocks Flashcards
The Lumbar plexus has which nerve blocks admitted, and for which surgeries?
Femoral nerve block and psoas compartment block. For surgeries in hips thighs and knees
Sacral plexus is affected by which blocks for which surgery
Sciatic and popliteal nerve block. For surgery of the lower limbs
How do local anesthetic function?
They block sodium channels, preventing the action potential
What happens if we administer too much of a local anesthetic?
Systemic toxicity
What are symptoms of Systemic Toxicity?
CNS Toxicity and Cardiotoxicity
Cardiotoxicity happens with which LA?
Bupivacaine
How do we manage systemic toxicity?
Via Intralipid Therapy
Lidocaine onset and duration
Rapid acting, short duration
Bupivacaine onset and duration
Moderate and long acting
Why are Bupivacaine toxicity complications worse than lidocaine?
As it’s more potent and lipid soluble
What are adjuvant drugs?
Added on top of LA to enhance it
What are the adjuvant opioids?
Fentanyl and morphine
What are the adjuvant vasoconstrictors?
Epinephrine and Phenylepinephrine
Spinal Anesthesia is injected where and for what surgery
CSF fluid in the subarachnoid space, for lower half of the bodu surgeries
What is the approach for spinal anesthesia admin?
Midline approach
