Figure 4From: A cloud computing based 12-lead ECG telemedicine service The cloud 12-lead ECG telemedicine service with enhanced security. This service is performed through four steps, including ECG files receiving, ECG file decoding, ECG waveform processing, and ECG report generation. It should be noted that the data passing among roles and data storage are encrypted and verified by a protected key. In addition, the use of web roles and work roles is authenticated with authorized users.Back to article page