Most of the cell phone applications we write about are fun, or somewhat useful: not many of them save lives. But AT&T has just launched new technology in partnership with Mednet which monitors heart patients' health and transmits the results to their cardiologists via Bluetooth. There is a monthly fee and it requires a tech-savvy doctor who is already signed up to the scheme but it could save on appointments (and save your co-pay) which is no bad thing.

Via Textually.