[Answered]: A 30 year old female presented to your ER with…

A 30 year old female presented to your ER with gasping and absent breath sounds on the left side of the chest. A clinical diagnosis of tension pneumothorax was made and patient was planned for needle thoracostomy. After the procedure the patient was diagnosed to have head injury which requires emergency craniotomy. Patient is not in a state to give consent and is without a local guardian. The treating physician shifted the patient to OT and performed an emergency craniotomy. What ethical principle the treating physician followed? A. Autonomy B. Beneficence C. Maleficence D. Justice