The results of a study demonstrating how circadian rhythms in heart cells are involved in changing heart function over the course of the day could help to explain why shift workers are more vulnerable ...

Heart rhythm problems aren’t always obvious. UTMB Health experts explain subtle arrhythmia symptoms, when to see a doctor and advanced treatment options.

Atrial fibrillation, a common heart rhythm disorder, can be dangerous. Heart surgeon explains its risk factors, treatments, ...

A fundamental discovery reported in the March 1 issue of the journal Nature uncovers the first molecular evidence linking the body’s natural circadian rhythms to sudden cardiac death (SCD).

Researchers have used the zebrafish (Danio rerio) to identify the role of a gene involved in cardiac rhythm, which could help explain the fundamentals of what it takes to make a human heartbeat.

Researchers have used the zebrafish (Danio rerio) to identify the role of a gene involved in cardiac rhythm, which could help explain the fundamentals of what it takes to make a human heartbeat. The ...

Arrhythmia and dysrhythmia are terms that both describe an abnormal heart rate or rhythm, with arrhythmia being the more commonly used term. An abnormal heart rate can be either faster (tachycardia) ...