ABC News chief medical correspondent Dr. Tara Narula discusses arrhythmias and what you should do about it if you think you ...

The most common arrhythmia is atrial fibrillation, which occurs in the atria in the upper part of the heart and can lead to ...

These signs should not be ignored, as they include arrhythmia, heart disease, or even a heart attack, managing heart conditions and maintaining long-term health.

Sinus arrhythmia is a variation in the heart's sinus rhythm, usually caused by changes in a person's breathing cycle. It's a ...

Cardiovascular disease affects nearly half of the adults in the United States, posing a significant public health challenge.

A recent Brazilian study published in Nature Cardiovascular Research has highlighted promising pathways for preventing and ...

Now Ideker is conducting research on the best methods to treat an even more dangerous type of arrhythmia: sudden cardiac arrest. One out of five Americans dies from the condition, Ideker says. Some ...

An irregular heartbeat is a condition that occurs when the heart's electrical impulses are either too fast, slow or ...

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From clinical care to research, Wendy Tzou, MD, shares her dream of establishing an Arrhythmia Center of Excellence at CU ...

Tagrisso was linked to higher cardiac risks in patients with EGFR-mutant NSCLC, including a four-fold rise in cardiac events ...

Sinus arrhythmia refers to a changing sinus node rate with the respiratory cycle, on inspiration and expiration. This is quite common in young, healthy individuals and has no clinical significance.