Week 6 Bier Block Etc

Question 0

Amides or one i’ed esters for bier blocks?

Answer 0

Amides

Question 1

IV regional anesthesia, AKA bier block, is appropriate for surgeries up to __ hour(s) in length

Answer 1

Two

But your patient will turn into a squirrel at hour one

Question 2

Cuff A goes above or below?

Answer 2

Above

Question 3

Cuff B goes above or below?

Answer 3

Below

Question 4

How much to inflate cuff? Systolic plus __

Answer 4

Systolic plus 100

Question 5

Which cuff to inflate first? B or A?

Answer 5

B

Question 6

NEVER deflate cuffs if LA was infused into bier block less than __ minutes prior

Answer 6

20

Question 7

For digital block, to avoid hematoma, do this

Answer 7

Avoid multiple needle insertions
Use 25 ga or smaller
Avoid puncturing veins

Question 8

For digital block, to avoid vascular puncture, do this

Answer 8

Intermittent aspiration

Avoid puncturing greater saphenous vein at medial malleolus

Question 9

For digital block, to avoid gangrene, do this

Answer 9

Avoid epi
Limit volume to 2 ml per side
Don’t double crush

Question 10

For digital block, to avoid nerve injury, do this

Answer 10

Stop when patient complains of pain and don’t inject against high pressure (intraneuronal)

Question 11

What is the most common complication of retro bulbar blocks?

Answer 11

Intra arterial injection

Question 12

What is the name of cranial nerve 2

Answer 12

Optic

Question 13

What is the name of cranial nerve five?

Answer 13

Trigeminal

Question 14

What is the name of cranial nerve ten?

Answer 14

Vagus

Question 15

What is so special about the optic nerves?

Answer 15

They are covered by myelin produced by OLIGODENDROCYTES.
They are covered by all three meninges DURA, ARACHNOID, PIA.
Don’t give your patient a total spinal by injecting directly into the optic nerve!!

Question 16

Oculocardiac reflex occurs with pressure on the eye or stimulation of nerves. If you messed with the Trigeminal nerve, would it be afferent or efferent?

Answer 16

Afferent, approaches or directed towards the brain

Question 17

Oculocardiac reflex occurs with pressure on the eye or stimulation of nerves. If you messed with the Vagus nerve, would it be afferent or efferent?

Answer 17

Efferent, exiting the brain (to the heart)

Profound bradycardia

Question 18

What nerve provides the majority of sensory component of the eye?

Answer 18

Trigeminal

Question 19

What is five and dime referring to?

Answer 19

Cranial nerves 5 and 10
Trigeminal afferent
Vagus efferent

Question 20

What is the only cranial nerve providing motor innervation to the eye that is OUTSIDE the orbit?

Answer 20

Facial 7

Question 21

What is the maximum volume you would inject with a bier block?

Answer 21

50 mls