The demographical development in Europe will lead to ageing societies that entails new challenges for existing health care systems. Elderly people want to live longer at home, despite diseases. Special requirements for telemedical treatment, health devices and emergency care equipment for homecare may help to handle this situation. Therefore, a wrist wearable telemonitoring system, called Health Data Hub, was developed. It provides basic information about a persons current health status by measuring the pulse curve and the activity. Furthermore, it communicates with peripheral health devices...