FVH Pferde Practice Questions - Fachtierarzt FVH Für Pferde (Switzerland) Exam

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When performing a palmar digital nerve (PDN) block to localize palmar foot pain, what is the primary risk of using an excessive volume of local anesthetic (>2 mL per site) or injecting too proximally?

Inadvertent intrathecal injection into the carpal sheath Direct motor blockade of the radial nerve causing triceps paralysis Proximal diffusion desensitizing the dorsal branches of the digital nerve and the proximal interphalangeal (pastern) joint Irreversible neurolysis and necrosis of the digital cushions

Correct Answer:

Proximal diffusion desensitizing the dorsal branches of the digital nerve and the proximal interphalangeal (pastern) joint

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