NAVLE PRED comprehensive exam 2024( question & answer)

NAVLE PRED comprehensive exam 2024( question & answer) Nerve Block- Palmar Digital - 1. Anatomical Structures affected. 2. Block Location- 3. Desenitized areas- 1. Anatomically structures subject to injury on the distal limb: distal interphalangeal (coffin), proximal interphalangeal (pastern), and metacarpophalangeal (fetlock) joints. Other structures maybe involved: flexor (superficial and deep) and extensor tendons, tendon sheath, phalanges (P1-3) and structures of the hoof. - 2. Around the medial and lateral palmar digital nerves, which are typically palpable between the proximal sesamoid bones and just proximal to cartilages of the foot. - 3. 50-70% of the palmar/plantar aspect of the foot is desensitized using the palmar digital nerve block. Abaxial Sesamoid Block - 1. Block Location 2. Desensitized Areas 1. Anesthetic is placed around the medial and lateral palmar digital nerve which are palpable over the abaxial surface of the medial and lateral aspects of the proximal sesamoid bones (red arrows) - 2. Skin over the plamar pastern and distal dorsal pastern along iwth the foot and proximal interphalangeal joint are dsesensitized. Partial desentization of the palmar fetlock may also occur