TEST 2: Upper and Lower Nerve Blocks

Question 1

C4 has this % of contribution to phrenic nerve

Answer 1

70%

Question 2

which plexus (brachial or cervical) does not supply upper extremiteis)

Answer 2

cervical

Question 3

benefits of PNB

Answer 3

1. less PONV Less cognitive imparirment
2. post-op pain control
3. less immunosuppression
4. higher pt satisfaction - post op pain control
5. less hemodynamic alterations

Question 4

PNB indications

Answer 4

1. surgical anesthesia
2. post op pain control
3. neuropathic pain
4. chronic pain
5. terminal cancer pain

Question 5

Relative CI to PNB

Answer 5

1. Uncooperative pt
2. allergy
3. peripheral neuropathy

Question 6

Absolute CI to PNB

Answer 6

1. Refusal
2. Infection at site
3. uncorrected coagulation deficiency

Question 7

injections made along SCM (cervical block) has this artery very close!

Answer 7

vertebral

even 1-2 ml = rapid LAST (sz…)

Question 8

classic Sx of horners

Answer 8

ptosis (ipsilateral)

miosis (ipsilateral)

anhidrosis

nasal congestion