Serratus Anterior Plane Block — FRCA Primary MCQ
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Correct answer: D — Anterolateral chest wall (T2-T9)
The serratus anterior plane block deposits LA between serratus anterior and the underlying ribs (or above serratus anterior between it and latissimus dorsi). It blocks the lateral cutaneous branches of the intercostal nerves (T2-T9) providing analgesia for anterolateral chest wall procedures / rib fractures / and breast surgery.
Reference: RCoA 2021 Primary FRCA Curriculum