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. The heart has ...

Reentry arrhythmia occurs when electrical signals in the heart deviate from their usual path, creating a loop that causes repeated stimulation and disrupts the heart’s rhythm. Symptoms of reentry ...

Excessive calcium in the blood, known as hypercalcemia, can disrupt the heart’s electrical system, potentially leading to an irregular heartbeat or arrhythmia. Hypercalcemia is more likely to cause a ...

NHS patients can now self-monitor their heart health at home with the new Philips ePatch, a do-it-yourself device designed to streamline the diagnosis of heart rhythm issues. Unlike traditional ...

An arrhythmia is an irregular heartbeat. An arrhythmia may feel like a racing heart or fluttering. It is not always serious but can sometimes indicate a potentially fatal heart problem. Arrhythmias — ...

An arrhythmia is a heart rhythm that is irregular, too fast, or too slow. Transient idiopathic arrhythmia is a type of temporary irregular heart rhythm that does not have a cause doctors can identify.

Many things can make your heart skip a beat—the words to a song, a case of the nerves or a near car accident—but these temporary palpitations aren't usually cause for concern. But much more serious, ...

This article was reviewed by Craig Primack, MD, FACP, FAAP, FOMA. Heart palpitations after eating? You’re not alone. These brief episodes of heart racing, pounding, or fluttering can happen for ...