An arrhythmia is a problem with your heartbeat’s rhythm and/or rate. Some arrhythmias are nothing to worry about, others should be monitored, and some need to be addressed immediately.

If a person's heart rate increases quickly, it can be scary. However, there are many causes and treatment options. Learn more here.

Often times, though, an arrhythmia causes palpitations, shortness of breath, fainting, dizziness, discomfort in the chest and weakness, according to WebMD.

An arrhythmia is an interruption in the electrical impulses that cause your heart to contract. With many different kinds of arrhythmias, and many different magnitudes as well, arrhythmias are more ...

Atrial fibrillation is a heart condition that causes an irregular heart rate. Sometimes, there can be no symptoms.

What is arrhythmia, what causes heart rhythm problems, what are the symptoms and what treatments are available? All you need to know about arrhythmia and what symptoms should you be on the look ...

Inherited arrhythmias are genetic conditions that cause irregular heart rhythms. Specialized care is crucial to manage an arrhythmia effectively.

Arrhythmia causes the heart to beat either too rapidly (tachyarrhythmia), too slowly (bradyarrhythmia), or irregularly – all of which may affect the heart’s ability to pump blood around the body.