12. Cervical Plexus Block

Question 1

cervical plexus arises from

Answer 1

C1-C4

Question 2

cervical plexus lies

Answer 2

deep to sternocleidomastoid muscle

Question 3

ways the cervical plexus can be blocked

Answer 3

superficial
or
deep

Question 4

risk with deep approach

Answer 4

phrenic nerve paralysis

Question 5

deep cervical plexus block CI

Answer 5

contralateral phrenic nerve palsy
significant pulmonary compromise

Question 6

why are bilateral deep cervical plexus blocks avoided?

Answer 6

incr risk of respiratory compromise

Question 7

superficial cervical plexus innervates

Answer 7

skin
anterolateral neck
shoulder

Question 8

superficial cervical plexus block indication

Answer 8

carotid endarterectomy

Question 9

when is bilateral superficial cervical plexus block required?

Answer 9

neck surgery that extends to midline
- larynx
- trachea
- thyroid

Question 10

why is superficial cervical plexus block used in carotid endarterectomy?

Answer 10

allows pt to be awake to asses neurologic function

Question 11

superficial cervical plexus location

Answer 11

fascial plane between sternocleidomastoid and levator scapulae muscles

Question 12

probe location supervicial cervical plexus

Answer 12

transverse
over sternocleidomastoid

Question 13

superficial cervical plexus needle insertion

Answer 13

posteriorly
in-plane approach

Question 14

superficial cervical plane volume

Answer 14

5-10 mL

Question 15

result of LA injection in cervical plane

Answer 15

spreading of fascial plane