Sinus rhythm (a.k.a. normal sinus rhythm) refers to the normal heart beat originating from the sinoatrial node. This is manifested as an upright P wave in lead II of the ECG. Sinus bradycardia occurs ...

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 ...

An artificial intelligence (AI) model may identify patients with intermittent atrial fibrillation (AF), even when performed during normal sinus rhythm, in a little as 10 seconds, a new study suggests.

Dear Dr. Roach: I am an active 76-year-old man. I became aware of an increase in my resting heart rate in April 2021, going from a resting rate of 48 to 74 beats per minute in a six-day period. It is ...

Please provide your email address to receive an email when new articles are posted on . CHICAGO — A fast-acting nasal spray safely and effectively converted episodes of paroxysmal supraventricular ...

With symptoms such as a racing, fluttering heartbeat and shortness of breath, atrial fibrillation (AFib) is more than uncomfortable — it makes stroke five times more likely and, over time, can weaken ...