Demonstrate the surface landmarks used for placement of epidural injections

Question 1

At which point does the spinal cord ‘end’ and the cauda equina begin?

Answer 1

• Ends at L1 / L2

Question 2

Demonstrate the surface landmark used for placement of epidural injections and why you would inject here

Answer 2

• Iliac crest at L4 because you know its below L1 / L2 so its the cauda equina level - you inject here because you know the nerves will displace so you won’t damage the nerves

Question 3

What are epidural injections given for?

Answer 3

• Analgaesia