CardioTattoo: Unlocking Continuous ECG from Commercial Smartwatches with Ultrathin Graphene Tattoos
This paper introduces CardioTattoo, a system that enables continuous ECG monitoring from commercial smartwatches using ultrathin graphene electronic tattoos. While smartwatches like the Apple Watch bring medical-grade ECG hardware to over 100 million wrists, they require users to stop, touch the crown, and wait 30 seco...