A 51-year-old male patient a case of T2DM with diabetic ketoacidosis (DKA) with the huge abscess on the right side of the neck patient came walking to hospital and patient was not in sepsis, his blood sugar was under control but urine ketones were still positive.Physician fitness obtained with high risk. Patient developed stridor and cardiac arrest and expired during his surgery, now the case has been filed against the hospital and the treating doctor.

How to go about the case and whats the role of physician, surgeon and the anesthetist?