The core ethical duty in this scenario is to preserve the patient's life, which is under immediate and certain threat. The principle of beneficence, acting in the patient's best interest, compellingly outweighs the procedural requirement of upholding security protocols that were not designed for this specific, catastrophic contingency. Delay is guaranteed to be fatal, rendering the 'wait' and 'negotiate' options ethically untenable as they both lead to Liam O'Connor's death. While proceeding without explicit, real-time consent is a significant step, the known medical necessity of the surgery and the presence of a qualified doctor attempting to intervene provide sufficient justification to act under the doctrine of necessity to prevent a certain and irreversible harm.