Modeling and Analysis of Next Generation 9-1-1 Emergency Medical Dispatch Protocols

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Emergency Medical Dispatch Protocols are guidelines that a 9-1-1 dispatcher uses to evaluate the nature of emergency, resources to send and the nature of help provided to the 9-1-1 caller. The current Dispatch Protocols are based on voice only call. But the Next Generation 9-1-1 (NG9-1-1) architecture will allow multimedia emergency calls. In this thesis I analyze and model the Emergency Medical Dispatch Protocols for NG9-1-1 architecture. I have identified various technical aspects to improve the NG9-1-1 Dispatch Protocols. The devices (smartphone) at the caller end have advanced to a point where they can be used to send and receive ... continued below

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Gupta, Neeraj Kant August 2013.

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Emergency Medical Dispatch Protocols are guidelines that a 9-1-1 dispatcher uses to evaluate the nature of emergency, resources to send and the nature of help provided to the 9-1-1 caller. The current Dispatch Protocols are based on voice only call. But the Next Generation 9-1-1 (NG9-1-1) architecture will allow multimedia emergency calls. In this thesis I analyze and model the Emergency Medical Dispatch Protocols for NG9-1-1 architecture. I have identified various technical aspects to improve the NG9-1-1 Dispatch Protocols. The devices (smartphone) at the caller end have advanced to a point where they can be used to send and receive video, pictures and text. There are sensors embedded in them that can be used for initial diagnosis of the injured person. There is a need to improve the human computer (smartphone) interface to take advantage of technology so that callers can easily make use of various features available to them. The dispatchers at the 9-1-1 call center can make use of these new protocols to improve the quality and the response time. They will have capability of multiple media streams to interact with the caller and the first responders.The specific contributions in this thesis include developing applications that use smartphone sensors. The CPR application uses the smartphone to help administer effective CPR even if the person is not trained. The application makes the CPR process closed loop, i.e., the person who administers the CPR as well as the 9-1-1 operator receive feedback and prompt from the application about the correctness of the CPR. The breathing application analyzes the quality of breathing of the affected person and automatically sends the information to the 9-1-1 operator. In order to improve the Human Computer Interface at the caller and the operator end, I have analyzed Fitts law and extended it so that it can be used to improve the instructions given to a caller. In emergency situations, the caller may be physically or cognitively impaired. This may happen either because the caller is the injured person, or because the caller is a close relative or friend of the injured person. Using EEG waves, I have analyzed and developed a mathematical model of a person's cognitive impairment. Finally, I have developed a mathematical model of the response time of a 9-1-1 call and analyzed the factors that can be improved to reduce the response time. In this regard, another application, I have developed, allows the 9-1-1 operator to remotely control the media features of a caller's smartphone. This is needed in case the caller is unable to operate the multimedia features of the smartphone. For example, the caller may not know how to zoom in the smartphone camera.All these building blocks come together in the development of an efficient NG9-1-1 Emergency Medical Dispatch protocols. I have provided a sample of these protocols, using the existing Emergency Dispatch Protocols used in the state of New Jersey. The new protocols will have fewer questions and more visual prompts to evaluate the nature of the emergency.

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  • August 2013

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  • March 8, 2015, 5:44 p.m.

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  • Nov. 15, 2016, 10:09 p.m.

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Gupta, Neeraj Kant. Modeling and Analysis of Next Generation 9-1-1 Emergency Medical Dispatch Protocols, dissertation, August 2013; Denton, Texas. (https://digital.library.unt.edu/ark:/67531/metadc500122/: accessed May 23, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; .