Keeley Wilson, 36, remembers the ECG monitor flatlining and hearing the long beep while the surgeon was cutting into her to perform a C-section. Her next memory is seeing the face of the ...

I flatlined for 19 seconds. I might not have woken up." Apple's electrocardiogram (ECG) app was introduced with the Apple Watch Series 4 in 2018. The functionality is similar to a single-lead ...

That’s because doctors check the rhythm of your heart with a machine called an electrocardiogram -- also called an ECG or EKG ... they sometimes shock a flatlined heart with a defibrillator.