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sector(sĕk′tor) [L., cutter]
1. The area of a circle included between two radii and an arc.
2. The physical location for a specific activity designated in the incident management system.
The location at a multiple-casualty incident, fire, or hazardous materials incident where rescue personnel are sent to be medically monitored, rehydrated, cooled off, or warmed, as the situation warrants.
A location within a minute or two’s response to the scene of a multiple-casualty incident, hazmat incident, or major fire where emergency vehicles and personnel are assigned to wait till they are needed at the location.
At a multiple-casualty incident, the place where ambulances or helicopters, or both, are brought in to transport patients to hospitals. At the transport sector, decisions are made regarding where to send patients with specialized problems, and the status of triaged patients is discussed with receiving facilities.
The location at a multiple-casualty incident where patients' needs are prioritized and their injuries or illnesses are initially managed before they are taken to a hospital.
In a multiple-casualty incident, the place where patients are sorted and separated according to the acuity of their illnesses or injuries before they are transported to a treatment sector or hospital.