Meet the AliveCor Kardia: a mobile ECG device that lets you watch the rhythm of your heart on your iOS or Android device. It captures medical-grade EKG in 30 seconds. You will be able to track/share results and detect when your heartbeat is not normal.
The AliveCor Kardia lets you take voice memos. You can use it with Omron blood pressure monitors to get a more complete picture of your health.