Background: In emergency situations there are difficulties for treatment in that patient health records are not immediately provided because patient information is separately managed by each hospital. Another reason for the difficulty is that if the patients don't know their personal health record, they can't inform medical staffs of it. In addition, the increase of emergency situation of the chronically ill is also problematic. And patients have a growing desire for their health information. In this situation, the investigators developed the service showing patient health record altogether which is managed by each hospital separately and recording the patient health information based on mobile application.~Objective: This study evaluates the effectiveness and satisfaction of the developed service in the emergency situation~Design: Mixed method(questionnaires and interview)~Setting: In the Department of Emergency at the Samsung Medical Center, the Asan Medical Center, the Dong-A Medical Center, and cooperative hospitals~Enrollment: 1,000 patients(care givers) and about 12 medical staffs~Intervention~Patients or care givers~1,000 patients(care givers) are enrolled and use the personal health wallet service.~The participants fill out questionnaire to evaluate the service~Some of them are invited for an in-depth interview.~Medical staffs~About 12 medical staffs are enrolled and use the personal health wallet service.~After that, the medical staffs are invited for an in-depth interview.
The investigators developed the service showing patient health record altogether which is managed by each hospital separately and recording the patient health information based on mobile application. This study is a multi-centered study involving three hospitals, providing services to patients, care givers and medical staffs. After the participants use this service, the investigators evaluate the effectiveness and satisfaction of this service through questionnaires and in-depth interviews.