This ECG shows atrial fibrillation with an uncontrolled ventricular rate. There are two QRS complexes that become wide in a right bundle branch block pattern. This can occur at fast heart rates ...

If the QRS complex is widened and downwardly deflected in lead V1, a left bundle branch block is ... The ECG strip below shows normal sinus rhythm, then atrial fibrillation with a rapid ...

Conducted by physicians from the University of California San Diego (UCSD), the case details the first successful use of AI-enabled ECG mapping to guide left bundle branch area pacing ... for millions ...

irregular and fast heartbeats. My watch has an electrocardiogram (EKG) function, and it immediately said I was in atrial fibrillation at a rate of 100-130 bpm. I went to the emergency room where they ...