The diagnosis is sinus rhythm with interpolated premature ventricular complexes, in a trigeminal pattern, with retrograde concealed conduction. The rhythm is irregular, but there is a repeating ...

The correct answer is sinus pause due to sinus node exit block. The rhythm is regular at a rate of 80 beats/min, although two long RR intervals (└┘) with a rate of 40 beats/min are present in the ...

The Apple Watch Series 4's transformation from miniature iPhone and fitness tracker to medical device is now complete with the release of the ECG (electrocardiogram) app and irregular heart rhythm ...

This Journal feature begins with a case vignette highlighting a common clinical problem. Evidence supporting various strategies is then presented, followed by a review of formal guidelines, when they ...

The Skeptical Cardiologist received an email last week from a patient with paroxysmal atrial fibrillation (Afib) saying she was having an episode, documented on her Apple Watch and Kardia device, but ...