Medicine brings medical and surgical resources to deal with an emergency, that is to say, the perception of a situation where the empire quickly without care, exposure to short period of irreversible damage or death. The concept of "speedily" is very relative; in acute cases, we only have a few minutes to respond, but in general in France, it is considered under the emergency risks to 6 or 12 h (duodenal switch surgery in Mexico).

For hospital emergency, a key component is to summon the services of prehospital medicine (usually an ambulance may be land, air or naval) for help by calling the appropriate phone number for emergencies. For EU member states and 112 different numbers in other countries such as the popular 911 in Americas. Emergency operators generally operate through a protocol of questions to determine if you can perform an outpatient treatment or assess the need to send a particular medical resource your help. Not the same a clinic than a hospital, many people confuse it

Those trained to perform first aid can act within limits of their knowledge, while waiting for the next level of support. Those who can not perform first aid can also help by staying calm and being with the injured or ill person. A common complaint of emergency services personnel is the propensity of people to accumulate around the victim and the scene of accident, which usually does not help the patient stresses (which can hurt a lot), and obstructs smooth functioning of emergency services.

For citizens, an emergency is a sudden and unexpected situation that threatens the life of person. However, some situations are impressive indeed benign, and others go unnoticed as they are alarming; for example, some signs of myocardial infarction or stroke may seem benign. This underlines the importance of counseling and guidance services medicosanitary emergency regulation (such as the ambulance). And early detection of risk situations by private physician or by patient himself or his entourage. This emphasizes the importance of first aid training, where they learn to recognize the warning signs and to address the regulatory services (call, in what situations, and what to say).

Within a hospital staff is generally adequate to meet this average emergency. The accident and emergency physicians are trained to handle most emergency and maintain certifications in CPR (Cardiopulmonary Resuscitation) and ALS (Advanced Life Support). In disasters most hospitals have protocols to quickly summon the staff and the service is not.

Buddy Military Medical developed the first medical triage criteria. Here, the sick and wounded arriving at the military field hospital Suippes (France, World War I) are oriented towards sorting. In case of mass influx, those most likely to be saved are prioritized by surgeons, doctors and nurses. Less severe or too severe cases are put on hold.

Such situations can occur in a hospital structure (the patient may already be hospitalized and his condition is complicated), at home, on the street or in a public or private place (malaise, illness, domestic accident, accident on the highway, accident). More and more people use hospital emergency like an open twenty-four hours twenty-four / seven days a week medical practice; they "consume" the emergency.

In Chile, Urgency and Medicine formal tour starts with the first specialty program in early 90s, at the University of Chile. Currently and legally recognized as a specialty, there have been multiple residency programs, especially the University of Chile Pontifical Catholic University of Chile and San Sebastian University. They invite you to review, comment on and discuss urgent issues sidewalk, And for all your medical unfold task in this busy chaos.