Emergency Surgeries are operations that must be performed immediately. It differs from other surgical methods where it is spent more time to make decisions, such as elective and semi-elective surgeries. Delaying or refusing of emergency surgery may harm the patient's health, significantly reduce body function or cause death. Although these procedures vary in type, they must be performed immediately. By doing these, surgeons may have certain rights that do not apply in other circumstances.

Emergency surgical operations are valiable. Wounds caused by sharps like knives or bullets that risk the function of organs should be performed surgical intervention urently. Partial or complete separation of the extremeties and severe fractures of penetrating bone are additional examples. Total dysfunction of organs such as the heart, lung, brain spleen or adnexa usually needs to be treated immediately. During pregnancy, maternal factors or fetal distress may require an emergency operation. Any form of serious internal bleeding also potentially requires emergency operation.