PRAC: Nerve Block Flashcards Preview

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Flashcards in PRAC: Nerve Block Deck (14):
1

What should nerve block sites be scrubbed with?

Chlorhexidine

2

Which anaesthetics can be used for nerve blocking?

Lidocaine: 1-2hrs
Mepivicain: 2-3hrs
Bupivicaine: 3-6hrs

3

What does a palmar/planter digital block? Volume required?

- 70% foot including sole
- most of DIP j
- 2-4ml

4

3 approaches to the DIP j specificaly?

- dorsal midline
- approach later/medial to extensor tendon (not really necessary, will stil go though tendon)
- palmar/plantar approach

5

Approaches to the navicular bursa

> midline navicular position
- horizontal approach
- 30* oblique approach

6

Appraoches to the PIPj?

> dorsal
- abaxial to extensor tendon
- level of palmar process P1
> palmar/plantar
- V shaped notch
- dorsal:distal palmar P1
- Distal:eminence collateral ligament and proximal P2
- Distal:insertion SDFT

7

What does the low palmar/plantar nerve block?

- metatarsal nerve
- palmar/plantar nerve
> avoid DFSTS
- dorsal subcutaneous ring block (skin sensation, hindlimbs)

8

What does an abaxial sesamoid block?

- lat and med palmar/plantar digital NVBs (nerves palamr aspect of bundle VAN)

9

What does low 4 point block?

- lat and med PALMAR nn. (between suspensory and DDFT)
- lat and med PALMAR METACARPAL nn. (distal to button of splint)

10

What does low 6 point block?

- lat and med PLANTAR nn.
- lat and med PLANTAR METATARSAL nn.
- DORSAL METATARSAL nn.

11

Where is the PDNB placed?

[palmar digital]
- NVB just proximal to the collateral cartilage of the distal phalanx
- PDN most palamr
- aim distally

12

Where is the ASNB placed?

[abaxial sesamoid]
- palapate NVB at level of base of prox sesamoids
- aim distally

13

Landmarks of low 4 point?

- palmar nerve: between DDFT and SL
- palmar metacarpal n : below level of button of splint

14

Landmarks of DIP joint block?

- midline, 1cm prox coronary band
- aim slightly distal to the perpendicular
- needle should penetrate dorsal pouch of the joint (extends proximally to about the centre of middle phalanx)