Atrial Fibrillation… AfibAlert Versus AliveCor/Kardia: Which Mobile ECG Device Is Best At Accurately Identifying Atrial Fibrillation? 10 May 2017 The skeptical cardiologist has been testing the comparative accuracy of two hand-held mobile ECG devices in his office over the last month. I've written extensively about my experience with the AliveCor/Kardia (ACK)…