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case_images: Ambient sensor system from DomoHealth  as used for this case report. Digital biomarkers are collected from passive infra-red motion sensors in each room of the apartment, from a door sensor to monitor home exits and from an Emfit QS bed sensor, which is placed under the mattress of the patient and collecting data on heart rate, respiration rate, toss and turns in bed, and sleep parameters. The system is designed for persons living alone in their home to provide preventive and emergency information. Data are transmitted to an interphone and from there to the system server and from there to the 24/7 emergency call centre, to medical professionals such as home care nurses or family doctors and to care providers including family members. Upon request, periodical health reports are created and sent to the patient and/or the care givers including information about physical activity, sleep, and social contacts to increase the awareness for health issues and to support healthy lifestyle behaviour. Graphical representation of the ambient sensor system used in this study [1. alarm button, 2. door sensor, 3. Emfit QS bed sensor, 4. PIR motion sensor in each room (including bathroom), and 5. interphone].
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case_images: Recent findings indicate its accuracy in measuring HR and respiration rate (Figure 1).