Regional- Spinal (subarachnoid) Neural Blockade Flashcards Preview

Valley Need to knows > Regional- Spinal (subarachnoid) Neural Blockade > Flashcards

Flashcards in Regional- Spinal (subarachnoid) Neural Blockade Deck (22)
Loading flashcards...
1
Q

The principle site of action for neuraxial blockade, spinal or epidural is where?

A

the nerve root

2
Q

what ligament binds the epidural space posteriorly

A

ligamentum Flavum

3
Q

where is the spinal cord the widest

A

L2

4
Q

Where is the spinal cord the narrowest

A

C5

5
Q

what are the layers of the spinal meninges form outer to inner?

A

Dura matter
Arachnoid matter
Pia Matter

6
Q

what is the specific gravity of CSF

A

1.004 - 1.009

think of james bond 007 (and your in the middle)

7
Q

if the sympathetic outflow from T1- T4 is blocked by LA, unapposed vagus stimulation will produce what? and what is this reflex termed?

A

bradycardia

Bainbridge reflex

8
Q

Anterior dermatome: name landmark

C4

A

Clavicle

9
Q

Anterior dermatome: name landmark

T4-T5

A

Nipples

10
Q

Anterior dermatome: name landmark

T6

A

Xiphoid

11
Q

Anterior dermatome: name landmark

T8

A

lower border of rib cage

12
Q

Anterior dermatome: name landmark

T10

A

umbilicus

13
Q

Anterior dermatome: name landmark

L1

A

inguinal ligament

14
Q

Anterior dermatome: name landmark

L2-L3

A

Knee and below

15
Q

Anterior dermatome: name landmark

S2-S3

A

Perineal

16
Q

Posterior dermatome: name landmark

C7

A

Most prominent cervical spinous process

17
Q

Posterior dermatome: name landmark​

T7

A

inferior boarder of scapula (lower tip)

18
Q

Posterior dermatome: name landmark​

L4

A
iliac creast (superior) 
tuftier's line or intercristal line
19
Q

Posterior dermatome: name landmark​

S2

A

Posterior superior iliac spine

20
Q

name all the structures the needle passes through for a Subarachnoid block (midline) from posterior to interior

A
​Skin
subcutaneous tissue
SupraSpinous Ligament
Intraspinous ligament
Ligamentum Flavum
(epidural space)- not a real space
Dura matter
arachnoid matter
21
Q

the lateral approach for a SA block will not pass through what 2 structures just listed for the midline approach?

A

Supraspinous ligament

intraspinous ligament

22
Q

memory master

A

IA3; IIIH1-2