Most of the time, you don't think about your heartbeat. It works quietly in the background of your day. But sometimes your ...

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 ...

Your heart has been doing its job faithfully for years, beating steadily in the background while you go about your daily life. Then suddenly, you become acutely aware of every beat as it seems to ...

What Is Cardamyst, and Why Does It Matter? Cardamyst (etripamil) is a new nasal spray for treating sudden episodes of fast heartbeats, known as paroxysmal supraventricular tachycardia (PSVT), and ...

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 ...

Bradycardia, a resting heart rate below 60 bpm, may seem harmless but can signal a serious rhythm disorder. Often mistaken for fatigue or ageing, symptoms include dizziness, weakness, fainting, and ...