Remote health monitoring is becoming increasingly important for securing independent lives as the population of aged people increases. Online, continuous monitoring allows us to detect emergencies and abrupt changes in the patients condition. Especially for cardiac patients, online, long-term monitoring plays a pivotal role. It provides critical information for long-term assessment and preventive diagnosis for which long-term trends and signal patterns are of special importance. Such trends and patterns can hardly be identified by traditional examinations. Those cardiac problems that occur...