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Background and Aims Peripheral nerve blocks (PNBs) offer significant benefits in surgical anaesthesia and postoperative pain control. However, informed consent for regional anaesthesia is often variable in quality and timing, particularly in emergency settings or when time is limited.This retrospective audit aims to evaluate the quality and completeness of consent documentation for PNBs, and to identify ethical concerns related to patient autonomy, communication, and decision-making practices.Methods We will conduct a retrospective audit of adult patients who received peripheral nerve blocks over a 12-month period at a tertiary care teaching hospital. The review will include anaesthesia records, consent forms, and perioperative documentation. Key variables will include: 1. Presence and type of documented consent (written, verbal, none) 2. Timing of consent (preoperative clinic, day of surgery, intraoperative) 3. Documentation of key elements: risks, benefits, and alternatives 4. Clinician obtaining consent (consultant, trainee) 5. Patient characteristics (age, gender, ASA status, language barriers, urgency of surgery) Data will be analysed descriptively, with subgroup comparisons to explore potential disparities.Results We anticipate identifying frequent omissions in consent documentation, especially among high-risk or emergency cases. Gaps in communication or delegation of consent-taking to junior staff may raise ethical concerns about voluntariness and shared decision-making. These findings are expected to inform improvements in institutional consent practices and training.Conclusions This audit will highlight documentation and ethical gaps in informed consent for regional anaesthesia. Addressing these issues is essential to uphold patient autonomy, improve communication, and align practices with ESRA-recommended standards. The study aims to support the development of structured consent protocols for PNBs within anaesthesia departments.