Stephen Bird

Hi Linh,

This is a little tricky as the two nerves are close together.

I use a high res , high frequency transducer and scan the sternocleidomastoid muscle.

The Greater auricular nerve and the lesser occipital nerve both run on the surface of that muscle and the lesser occipital is the more posterior one.

So if you can find 2 nerves you can be sure, if you only find one, make sure it is on the posterior edge of the muscle.

In practice I doubt it makes that much difference as if you use reasonable volume (5cc) you will conduct a field block and get both nerves regardless,

When I have done one they always get a numb ear as well as occipital area so I am sure we get spread to both nerves.


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