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 ...

If you sometimes experience a racing or irregular heartbeat, it may be caused by atrial fibrillation (AFib), the most common type of heart arrhythmia. AFib can make you five times more likely to have ...

Atrial fibrillation (AFib) is a heart condition characterized by an irregular and often rapid heartbeat. However, some individuals may experience a standard heart rate without medication, depending on ...

In a new study, etripamil, a rapid- and short-acting investigational medication formulated to be delivered via nasal spray, restored a normal heart rhythm in less than 30 minutes in most users with ...

Narrow-complex tachyarrhythmias are rapid heart rhythms originating in the upper heart chambers, characterized by a QRS duration of less than 120 milliseconds on an EKG. These arrhythmias can be ...

A 65-year-old man receives a right coronary artery stent after a NSTEMI. What does his postsurgery ECG look like?

The FDA has approved intranasal etripamil (Cardamyst; Milestone Pharmaceuticals) for the acute treatment of paroxysmal supraventricular tachycardia (PSVT), making it the first self-administered, ...

Premature ventricular contraction (PVC) is a type of abnormal heartbeat, or arrhythmia. It happens when the heartbeat begins in the lower, rather than the upper, heart chambers. This creates an ...