Nerve Blocks

Question 1

Palmar digital nerve

Answer 1

prox to cartilages of the foot

Question 2

needle of Palmar digital nerve

Answer 2

24-25G
1.5ml

Question 3

palmar digital nerve block alleviates pain originating from

Answer 3

sole
DIPJ
PIPJ
dorsal laminae
pastern region
fetlock region

Question 4

Palmar abaxial sesamoid nerve

Answer 4

flex FL
weight bearing HL
at level of prox ses bones - feel vein and nerve and pull dorsally

Question 5

needle Palmar abaxial sesamoid nerve

Answer 5

23-25G
2ml

Question 6

Palmar abaxial sesamoid nerve alleviates pain from

Answer 6

foot
pastern region
fetlock region

Question 7

low 4 pt nerve block Palmar nerve

Answer 7

weight bearing
btw suspensory lig and ddft
prox to tendon sheath
direct needle distally

Question 8

needle low 4 pt nerve block

Answer 8

23-25G
2ml on each side

Question 9

low 4 pt nerve block - palmar metacarpal nerve

Answer 9

distal to head of the splint bone

Question 10

4pt nerve block can alleviate pain from

Answer 10

foot
pastern
fetlock

Question 11

6 pt nerve block also includes

Answer 11

dorsal metatarsal nerves

Question 12

needle for navicular bursa

Answer 12

18G

Question 13

navicular bursa

Answer 13

always under radiographic control
skin bleb

Question 14

prox interphalangeal joint

Answer 14

distal to distal palmar process of PP and lateral to CDE
needle directed distal and axial

Question 15

needle for prox interphalangeal joint

Answer 15

20G
3-4ml mepivacaine

Question 16

metacarpophalngeal/Mtphalangeal joint dorsal approach

Answer 16

standing or flexed
medial/lateral to common digital extensor

Question 17

metacaropophalngeal joint allevaites pain

Answer 17

suspensory lig
prox aspect of oblique and straight sesamoidean ligs

Question 18

metacarpophalngeal joint needle

Answer 18

10ml mepivacaine
20G

Question 19

digital flexor tendon sheath

Answer 19

palmar aspect og the pastern btw the prox and distal annular ligaments

Question 20

needle for digital flexor tendon sheath

Answer 20

20G
10ml mepivacaine

Question 21

What carpal joints communicate

Answer 21

carpometacarpal and middle carpal

Question 22

carpal joints

Answer 22

btw extensor carpi radialis and common digital extensor tendons
10ml mepivacaine

Question 23

tarsometatarsal joint

Answer 23

prox to head of Mt IV
needle directed distally and dorsomedially

Question 24

needle tarsometatarsal joint

Answer 24

20G
3-4ml mepivacaine

Question 25

centrodistal joint

Answer 25

block if no response to TMT joint btw T1, T2 and Tc and T3 22-25G 3-4ml mepivacaine

Question 26

Tarsocrural joint

Answer 26

into any pouch - dorsomedial 20G 20-30ml mepivacaine

Question 27

3 joints of the stifle

Answer 27

medial femorotibial joint lateral femorotibial joint femoropatellar joint

Question 28

femoropatellar joint

Answer 28

btw middle and lateral patellar lig

Question 29

needle of femoropatellar joint

Answer 29

19-20G

Question 30

lateral femorotibial joint

Answer 30

btw lateral patellar lig anf long digital extensor tendon

Question 31

needle of lateral femorotibial joint

Answer 31

20G

Question 32

medial femorotibial joint

Answer 32

btw medial CL and medial patellar lig

Question 33

needle medial femorotibial joint

Answer 33

20G

Question 34

drugs used

Answer 34

mepivacaine bupivacaine lidocaine

Question 35

palmar digital nerve block alleviates pain from

Answer 35

sole distal interphalangeal proximal interphalangeal dorsal laminae pastern fetlock

Question 36

palmar digital abaxial sesamoid block alleviates pain from

Answer 36

foot pastern fetlock

Question 37

wait time for joints

Answer 37

10-60mins

Question 38

wait time for proximal limb

Answer 38

20-60mins

Question 39

wait time for distal limb

Answer 39

10mins

Question 40

what LA is less irritant

Answer 40

mepivacaine prilocaine bupivacaine

Question 41

fast acting LA

Answer 41

mepivacaine prilocaine

Question 42

slower acting LA

Answer 42

bupivacaine

Question 43

patient prep for perineural analgesia

Answer 43

clean area - clip anti septic scrub alcohol with swab then spray

Question 44

patient prep for intrasynovial

Answer 44

aseptic clip 5min scrub alcohol wash sterile gloves

Question 45

nerve blocks of FL

Answer 45

deep digital prox palmar abax sesamoid 4pnt high palmar lat palmar ulnar n. medianus & musculocutaneus

Question 46

lateral palmar nerve - lateral approach subcarpal block

Answer 46

standing or flexed 23-25G 3ml mepivacaine

Question 47

lateral palmar nerve - medial approach subcarpal block

Answer 47

no risk of penetrating carpal sheath

Question 48

subtarsal block

Answer 48

limb flexed SDFT pushed medially 23G - 3-4ml mepivacaine distal to head of MtIV

Question 49

what disease is substarsal block good for

Answer 49

proximal suspensory desmopathy

Question 50

tibial nerve block

Answer 50

10cm proximal to tuber calcanei cranial to common calcaneal tendon skin bleb 20G - 10-15ml mepivacaine

Question 51

peroneal nerve block

Answer 51

btw long and lateral digital extensor tendons supf and deep branches 10cm proximal to suber calcanei skin bleb 19-20G - 20ml mepivacaine (10ml into heel bulb and 10ml as youre withdrawing needle)

Question 52

tibiral and peroneal nerve block desensitises

Answer 52

entire hock region distal crus and distal aspect of the limb toe drag shows block worked