| A | B |
| AED | automated external defibrillator |
| ATV | automatic transport ventilator |
| CID | cervical immobilization device |
| Due regard | legal term, which appears in most states' driving laws, referring to the responsibility of the emergency vehicle operator to drive safely and keep the safety of all others in mind at all times |
| EMD | emergency medical dispatcher |
| Hypothermia thermometer | special thermometer that is designed to go down to 82 degrees F |
| Landing zone (LZ) | large, flat area without aerial obstructions in which a helicopter can land to pick up a patient |
| Sager | traction splint for the immobilization of a painful, swollen, deformed thigh |
| Thumper | mechanical compressor for performing CPR that is especially helpful to services with transport time to the hospital over 15 minutes |
| True emergency | call in which the driver of the emergency vehicle responds with lights and siren because he/she is of the understanding that loss of life or limb is possible |
| Post | post in front of the driver's compartment which supports the roof and windshield |
| B Post | when moving towards the rear of the vehicle the second post you see, which supports the roof |
| Complex | access that requires tools or special equipment to reach the patient |
| Cribbing | blocks of hardwood usually 4 x 4 x 18-inches or 2 x 4 x 18-inches used to stabilize a vehicle |
| Disentanglement | three-part procedure used by rescue personnel to free a patient trapped in a vehicle |
| Entrapment | when a patient is pinned and requires assistance, sometimes mechanical, to free him |
| Extrication | process by which entrapped patients are rescued from vehicles, buildings, tunnels, or other places |
| Glas-Master | saw that is designed to cut laminated windshield glass |
| Ground gradient | decreasing circles of voltage on the sround surrounding a point where a charged wire is down |
| Inner circle | area immediately around and including the wrecked vehicle |
| Laminated glass | safety glass used in windshields of automobiles made of two sheets of plaste glass bonded to a sheet of tough plastic |
| Nader Pin | named after a well-known consumer advocate, this case-hardened pin is held by the cams of an automobile's door locking system |
| Protective gear | gear designed to prevent the rescuer from being injured while working in the inner circle |
| Stabilization | to crib or block a vehicle or structure to prevent further unintended, uncontrolled movement |
| Tempered glass | glass used in an automobile's side and rear windows designed to break into small rounded pieces rather than sharp fragments |
| Cold zone | area in which the command post and support functions that are necessary to control the incident are located |
| EMS Command | senior EMS person on the scene who establishes an EMS command post and oversees the medical aspects of a multiple casualty incident |
| Hazardous material | any substance or material in a form which poses an unreasonable risk to health, safety, and property when transported in commerce |
| Hot zone | area immediately surrounding a dangerous goods incident that extends far enough to prevent adverse effects from released dangerous goods to personnel outside the zone |
| Incident Management System (IMS) | systems used for the management of a large-scale multiple-casualty incident, involving assumption of responsibility for command and designation and coordination of such elements as triage, treatment, transport, and staging |
| Multiple-casualty incident (MCI) | any medical or trauma event involving three or more patients that places a great demand on EMS equipment and personnel |
| Staging Officer | person responsible for overseeing and keeping track of ambulances and ambulance personel at a multiple-casualty incident and who directs ambulances to treatment areas at the request of the transportation officer. |
| Staging sector | area in which ambulances are parked and other resources are help until needed |
| Transportation Officer | person responsible for communicating with sector officers and hospitals to manage transportation of patients to hospitals from the scene of a multiple-casualty incident |
| Treatment Officer | Person responsible for overseeing treatment of patients who have been triaged at a multiple-casualty incident |
| Treatment Sector | area to which patient care is delivered at a multiple-casualty incident |
| Triage | Process of quickly assessing pateints in a multiply-casualty incident and assigning each a priority for receiving emergtency care or transportation to definitive care |
| Triage Officer | Person responsible for overseeing triage at a multiple-casualty incident |
| Triage Sector | area in which secondary triage takes place at a multiple-casualty incident |
| Triage Tag | color-coded tag indicating the priority group to which a patient has been assigned |