Public Access AEDs

Use of public-access Automated External Defibrillators (AEDs) is showing promising results in decreasing collapse-to-shock times among Sudden Cardiac Arrest (SCA) patients which is associated with improved patient outcomes. Bystander access to these medical devices ensure that the necessary care to victims of SCA is provided prior to arrival of emergency responders. Prior studies have suggested methods for deploying AEDs for public use by implementing mathematical optimization based on historic incidences of SCA.  The novelty of this study is as follows: 1) the use of route-based walking time instead of straight-line approximations; 2) introduction of temporal availability in deployed devices to account for location hours-of-operation; 3) use of a multi-objective optimization to balance decision-maker objectives; 4) the implementation of an interactive decision-maker tool for observing effects on benefits and costs.