Page 202 - BSAVA Guide to Pain Management in Small Animal Practice

2 | Major local anaesthetic blocks

VetBooks.ir angle, in a medial direction, ventral to
the border of the ygomatic arch and

C about . cm caudal to the lateral
canthus, and then advance it toward the
D pterygopalatine fossa.
• Slowly in ect the local anaesthetic after
test aspiration. In ect between . and
ml depending on the patient s si e
and breed.
• his techni ue is more di cult to
B
perform in cats.
■ hese blocks should be administered
A cautiously in brachycephalic dogs and cats
because of the proximity of the orbit to the
Anatomical landmarks for performing mental A , foramen and the potential for penetrating
mandibular B , infraorbital C and maxillary nerve the globe.
blocks in dogs.
Auriculotemporal (A) and
great auricular (B) nerve
block (dog)

■ his block provides analgesia to the
external ear canal and the auricular
C
cartilage and is a useful techni ue for dogs
undergoing total ear canal ablation and
bulla osteotomy.
A • he auriculotemporal nerve is located
by slowly advancing a needle between
the rostral aspect of the vertical
ear canal and the caudal aspect of
the ygomatic arch perpendicular to the
B
Anatomical landmarks for performing mental A ,
mandibular B and infraorbital C nerve blocks in cats.
A
■ o block the infraorbital nerve B
• Insert a needle through the buccal
mucosa over the foramen, which is
usually found dorsal to the third
premolar, and deposit local anaesthetic.
• In ect between . and 1. ml depend-
ing on the patient s si e and breed.
■ o anaestheti e the entire upper aw,
including all of the teeth
• Block the maxillary nerve either via the
use of a exible cannula inserted into
the infraorbital foramen, or insert a Anatomical landmarks for performing auriculotemporal
needle through the skin at a 9 degree A and great auricular B nerve block in dogs.

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