Emergency service

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Police and fire services responding to a traffic accident in Ohio
Emergency telephone in New York City

Emergency services and rescue services[1] are organizations which ensure public safety and health by addressing different emergencies. Some of these agencies exist solely for addressing certain types of emergencies whilst others deal with ad hoc emergencies as part of their normal responsibilities. Many of these agencies engage in community awareness and prevention programs to help the public avoid, detect, and report emergencies effectively.

There are three primary emergency services that can be summoned directly by the public:

  • Policelaw enforcement, criminal investigation, and maintenance of public order. There are a variety of law enforcement agencies that conduct law enforcement. In the United States, there are State Police and Highway Patrol agencies, Municipal and County police and Sheriff agencies as well as other law enforcement agencies.
  • Fire and Rescue Services — fire suppression, technical rescue, and hazardous materials mitigation. These services are provided to those who need help during any type of emergency. Some Fire and Rescue services agencies also provide emergency medical services.
  • EMS or Ambulanceemergency medical services and technical rescue. Emergency Medical Services agencies and Technical Rescue services agencies are responsible for immediate response to medical emergency calls as well as specialized rescue services calls. Many emergency medical services agencies in the United States operate technical rescue services vehicles and equipment and work to help those who need rescue assistance.

Emergency services have one or more dedicated emergency telephone numbers reserved for critical emergency calls. In some countries, one number is used for all the emergency services (e.g. 911 in the Americas, 999 in the UK, 112 in continental Europe, 000 in Australia). In some countries, each emergency service has its own emergency number. Some fire departments provide emergency medical services along with their primary services.

The availability of emergency services depends very heavily on location, and may in some cases also rely on the recipient giving payment or holding suitable insurance or other surety for receiving the service.

Specialized emergency services[edit]

[AUS] Victorian Police Ford Ranger Prisoner Transport 'Divi Van'

These services can be provided by one of the core services or by a separate government or private body.

Other emergency services[edit]

Multiple emergency services work together on the scene of a severe multi-vehicle accident in Vaughan, Ontario

These groups and organizations respond to emergencies and provide other safety-related services either as a part of their on-the-job duties, as part of the main mission of their business or concern, or as part of their hobbies.

Location-specific emergency services[edit]

Some locations have emergency services dedicated to them, and whilst this does not necessarily preclude employees using their skills outside this area (or be used to support other emergency services outside their area), they are primarily focused on the safety or security of a given geographical place.

  • Lifeguards — charged with reacting to emergencies within their own given remit area, usually a pool, beach or open water area
  • Park rangers — looking after many emergencies within their given area, including fire, medical and security issues
  • Ski patrol — provides emergency medical care and rescue services within their area, such as a ski resort or backcountry.
  • Security guards — protect assets (property, people, etc.) from hazards and enforce security procedures.
  • First aid or medic — respond to medical issues and may be hired for businesses or events


EPA staff coordinate with local agencies in 2014 environmental disaster simulation

Effective emergency service management requires agencies from many different services to work closely together and to have open lines of communication. Most services do, or should, have procedures and liaisons in place to ensure this, although absence of these can be severely detrimental to good working. There can sometimes be tension between services for a number of other reasons, including professional versus voluntary crew members, or simply based on area or division. To aid effective communications, different services may share common practices and protocol for certain large-scale emergencies. In the UK, commonly used shared protocols include CHALET and ETHANE while in the US, the Department of Homeland Security has called for nationwide implementation of the National Incident Management System (NIMS),[2] of which the Incident Command System (ICS) is a part.[3]

Disaster response technologies[edit]

Smart Emergency Response System (SERS)[4] prototype was built in the SmartAmerica Challenge 2013-2014,[5] a United States government initiative. SERS was created by a team of nine organizations. The project was featured at the White House in June 2014 and called an exemplary achievement by Todd Park (U.S. Chief Technology Officer).

The SmartAmerica initiative challenges the participants to build cyber-physical systems as a glimpse of the future to save lives, create jobs, foster businesses, and improve the economy. SERS primarily saves lives. The system provides the survivors and the emergency personnel with information to locate and assist each other during a disaster. SERS allows organization to submit help requests to a MATLAB-based mission center connecting first responders, apps, search-and-rescue dogs, a 6-feet-tall humanoid, robots, drones, and autonomous aircraft and ground vehicles. The command and control center optimizes the available resources to serve every incoming requests and generates an action plan for the mission. The Wi-Fi network is created on the fly by the drones equipped with antennas. In addition, the autonomous rotorcrafts, planes, and ground vehicles are simulated with Simulink and visualized in a 3D environment (Google Earth) to unlock the ability to observe the operations on a mass scale.[6]

Response time[edit]

Response time is essential to emergency services. Here, a Toronto Fire truck speeds to a call

A common measurement in benchmarking the efficacy of emergency services is response time, the amount of time that it takes for emergency responders to arrive at the scene of an incident after the emergency response system was activated. Due to the nature of emergencies, fast response times are often a crucial component of the emergency service system.[7]

See also[edit]


  1. ^ "Rescue services definition and meaning - Collins English Dictionary". www.collinsdictionary.com. Retrieved 19 March 2018.
  2. ^ Federal Emergency Management System: About NIMS Archived 2011-09-25 at the Wayback Machine
  3. ^ Federal Emergency Management System: Incident Command System Archived 2011-09-23 at the Wayback Machine
  4. ^ Smart Emergency Response System [1], team website.
  5. ^ SmartAmerica Challenge [2], website.
  6. ^ Video [3] Smart Emergency Response System
  7. ^ Davis, Robert (20 May 2005). "The price of just a few seconds lost: People die". USA Today. Retrieved 5 February 2013.