Meet the AliveCor KardiaMobile Card: a credit card sized EKG device that combines with your smartphone to give you insight into your heart health. It comes with Bluetooth and can be paired to your phone quickly. The KardiaMobile Card can detect 6 arrhythmia conditions, including AFib, Bradycardia, and Tachycardia.
With KardiaCare membership, you get enhanced EKG analysis. The device is pretty easy to use: once you have paired it to your phone, you should start a reading on your phone and put your thumbs on the electrodes. The Kardia app lets you know how long you have to hold. You can use it to save and print reports to share with your doctor.[where to get it]