Recently home healthcare has become more important due to aging population and declining birthrate. It also causes shortage of nursing home services. On the other hand, generally it is hard to find patients who have the sleep apnea syndrome (SAS) or the cardiac arrhythmia. Because those symptoms happen during sleep or sudden in everyday life. Also, it is said that patients tend to have the SAS and the cardiac arrhythmia at the same time. So sometimes they are required having diagnoses at a hospital for a long time to find the symptoms. For supporting home healthcare, many handy devices have been developed. And those usually measure a single vital sign such as heart rate. But for instance, measuring breathing rate is required to find the SAS. Or it is better to also measure heart rate at the same time for the cardiac arrhythmia which sometimes happens with the SAS. Thus, we focus on supporting home healthcare. In this paper, we show a handy device we created to diagnose multiple symptoms at the same time automatically by measuring breathing and heart rates for a long time.
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