earticle

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Purpose: The purpose of the study was to compare the ability of college students to use automated external defibrillators (AED) and to provide a basic data for helping laypersons easily apply the AED. Methods: The subjects were randomly assigned to instruction groups. One group was instructed by pictures (group P), one by videos (group M), and one by telephone dispatchers (group D), Without employing cardiopulmonary resuscitation, a single rescuer was asked to apply defibrillation to a mannequin for practice in accordance with the instructions assigned to each group. Results: Regarding the proper pad attachment of the AED, group P followed the instruction 0.31±0.47 times, group M, 0.81±0.40 times, and group D 0.69±0.47 times. Regarding the instruction of taking the hand off a patient for analyzing cardiac rhythm and the instruction of taking the hand off a patient before defibrillation, group P did not follow the instruction; group M followed the instructions 0.50±0.51 times; and group D followed all instructions at all times. Conclusion: If a dispatcher gives real-time instructions for using an AED to laypersons wtih no experience at the time of AED use, the quality of laypersons' AED use will greatly improve.