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Wireless ECG sensor using ADAS1000 and ADAS1000-2

I want to design a wearable ECG sensor that can transmit the sensory data via BT/WiFi. I am thinking of using ADAS1000 and ADAS1000-2 for ECG measurements and a separate BT module that has SPI interface for wireless transmission. Does anyone have any suggestions?  Has anyone worked on something like this? Do you suggest any other ics to include in my design?