Tourniquet pain after axillary block — FRCA Primary MCQ
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Correct answer: D — Intercostobrachial nerve
The intercostobrachial nerve is T2 and not part of the brachial plexus. Epidural space is less appropriate because it would fit a different clinical clue or a separate anaesthetic problem. Femoral and lateral femoral cutaneous nerves is less appropriate because it would fit a different clinical clue or a separate anaesthetic problem. Cervicothoracic sympathetic ganglion is less appropriate because it would fit a different clinical clue or a separate anaesthetic problem. Radial nerve is less appropriate because it would fit a different clinical clue or a separate anaesthetic problem. In Primary FRCA anatomy, the tested structure should explain the block, airway sign or regional complication in the stem.
Reference: Ellis, Feldman & Harrop Anatomy for Anaesthetists; Primary FRCA textbooks