Median Nerve Antecubital Fossa — FRCA Primary MCQ

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ModerateAnatomyMedian Nerve Antecubital FossaFRCA Primary

The anatomy of the antecubital fossa is important for venous access. Which nerve lies medial to the brachial artery and may be damaged during cannulation?

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Correct answer: A — Median nerve

The median nerve lies medial to the brachial artery in the antecubital fossa (mnemonic: from lateral to medial — Biceps tendon / Brachial Artery / Median Nerve). The radial nerve lies lateral and deep. Median nerve injury during antecubital fossa cannulation can cause sensory loss and weakness of forearm flexors and thenar muscles.

Reference: RCoA 2021 Primary FRCA Curriculum