![]() Evaluation is very important because it serves to guide the EMT during the physical examination of the patient in looking for and identifying possible injuries. In other cases, it is important to know the amount of debris that fell on the victim, what type of machinery was involved in the accident, etc. For instance, this evaluation involves determining how the vehicle(s) collided, the speed involved at time of impact, and whether safety belts or air bags restrained the victim. The EMT must quickly evaluate the total scene of a trauma. Warning Signs of Crime Scenes and Violence: When a hazardous material is involved, check the North American Emergency Response Guidebook published by the U.S.D.O.T., Transport Canada, and the Secretariat of of Communications and Transportation of Mexico or contact the agency CHEMTREC (Chemical Transportation Emergency Center, Washington, D.C.When wires are down, the danger zone is at least one full span of wires from the poles to which broken wires are attached.When a collision vehicle is on fire, the danger zone is at least 100' in all directions even if the fire is small.With spilled fuel, the danger zone extends a minimum of 100' in all directions from the wreckage.With no apparent hazards, the danger zone extendsat least 50' in all directions from wreckage.In the case of an assault, the EMT should know where the weapon is. The EMT should determine if scene hazards still exist (e.g., downed power lines, unstable building structures, armed perpetrators, etc.). The EMT should determine that the scene is secure and safe to enter as they approach the scene. A good EMD center must have all the necessary resources available for immediate contact once the determination is made that a hazardous materials incident has occurred. Most larger urban fire departments have specialized hazardous materials units and specially trained personnel to handle these types of calls. Calls that involve respiratory, cardiac, or motor vehicle collisions often require additional personnel, who should be dispatched immediately. The first two elements of a dispatch, location and type of call, help to determine if an immediate need for additional or specialized resources exists. includes prearrival instructions that have been given to the caller to provide care to the patient until EMS arrives.EMTs should never enter the scene until law enforcement officers have secured the scene. involves any type of reported violence.involves very hot or cold climates which may aggravate the patient's condition.will be affected by weather conditions.It can be canceled once the EMT is on the scene. Waiting to request special services may prevent necessary patient care. requires special personnel and equipment.involves the possibility of helicopter evacuation.involves multiple vehicles or otherwise indicates that more medical personnel may be needed on the scene.involves other hazards such as downed power lines, broken gas lines, spills, or vicious animals.includes any life-threatening conditions.Dispatch information enables the EMT to determine whether the call: prearrival instructions regarding care for the patient.Įssential dispatch information includes as full and complete a description of the scene as possible.other delays such as raised bridges or blocked railway crossings.En RouteĮmergency medical dispatch (EMD) is designed to assure the EMT receives appropriate information to be prepared to manage the scene appropriately. The EMT must rapidly assess any risks that may be present and must quickly make appropriate decisions and take actions to ensure that neither the patient nor the EMTs become exposed to increased risk. The riskiest time for the EMT is arrival at the scene. ![]()
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