Week 6 Bier Block Etc Flashcards Preview

Regional 540 - PM > Week 6 Bier Block Etc > Flashcards

Flashcards in Week 6 Bier Block Etc Deck (22):
0

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

Two

But your patient will turn into a squirrel at hour one

1

Amides or one i'ed esters for bier blocks?

Amides

2

Cuff A goes above or below?

Above

3

Cuff B goes above or below?

Below

4

How much to inflate cuff? Systolic plus __

Systolic plus 100

5

Which cuff to inflate first? B or A?

B

6

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

20

7

For digital block, to avoid hematoma, do this

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

8

For digital block, to avoid vascular puncture, do this

Intermittent aspiration
Avoid puncturing greater saphenous vein at medial malleolus

9

For digital block, to avoid gangrene, do this

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

10

For digital block, to avoid nerve injury, do this

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

11

What is the most common complication of retro bulbar blocks?

Intra arterial injection

12

What is the name of cranial nerve 2

Optic

13

What is the name of cranial nerve five?

Trigeminal

14

What is the name of cranial nerve ten?

Vagus

15

What is so special about the optic nerves?

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!!

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?

Afferent, approaches or directed towards the brain

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?

Efferent, exiting the brain (to the heart)
Profound bradycardia

18

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

Trigeminal

19

What is five and dime referring to?

Cranial nerves 5 and 10
Trigeminal afferent
Vagus efferent

20

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

Facial 7

21

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

50 mls