Towards the automated analysis and database development of defibrillator data from cardiac arrest

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Abstract

Background. During resuscitation of cardiac arrest victims a variety of information in electronic format is recorded as part of the documentation of the patient care contact and in order to be provided for case review for quality improvement. Such review requires considerable effort and resources. There is also the problem of interobserver effects. Objective. We show that it is possible to efficiently analyze resuscitation episodes automatically using a minimal set of the available information. Methods and Results. A minimal set of variables is defined which describe therapeutic events (compression sequences and defibrillations) and corresponding patient response events (annotated rhythm transitions). From this a state sequence representation of the resuscitation episode is constructed and an algorithm is developed for reasoning with this representation and extract review variables automatically. As a case study, the method is applied to the data abstraction process used in the King County EMS. The automatically generated variables are compared to the original ones with accuracies ≥ 90 % for 18 variables and ≥ 85 % for the remaining four variables. Conclusions. It is possible to use the information present in the CPR process data recorded by the AED along with rhythm and chest compression annotations to automate the episode review. © 2014 Trygve Eftestøl and Lawrence D. Sherman.

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Eftestøl, T., & Sherman, L. D. (2014). Towards the automated analysis and database development of defibrillator data from cardiac arrest. BioMed Research International, 2014. https://doi.org/10.1155/2014/276965

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