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 ...

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 ...

A recent randomized trial in Czechia tested the premise that lifestyle modification and use of antiarrhythmic drugs was as effective as catheter ablation (CA) to treat atrial fibrillation (AF). The ...

Mayo Clinic researchers trained artificial intelligence to pick up subtle differences in electrocardiograph readings to diagnose atrial fibrillation with 90% accuracy. Artificial intelligence (AI) can ...

Low concentrations of three selected biomarkers in the blood of patients with atrial fibrillation identify patients with a high chance of attaining sinus rhythm. This is the main result of this ...

Sick sinus syndrome (SSS) is the name that doctors use to refer to heart rhythm problems. These occur when the sinus node, the heart’s natural pacemaker, does not keep a regular heartbeat. This heart ...