Tachyarrhythmias are abnormally rapid heart rhythms that may lead to potentially serious health complications, such as heart failure. A narrow-complex tachyarrhythmia refers to a particular type of ...

Irregular heartbeats, or arrhythmia, can significantly affect a person’s quality of life and overall health. When medication and lifestyle changes are ineffective, doctors may recommend surgery to ...

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 ...

A normal resting heart rate is anywhere between 60 and 100 beats per minute, according to the Mayo Clinic. But during a heart attack, that rate is altered due to disrupted blood flow. An abnormal ...

Heart attacks scar the heart, leaving patients vulnerable to heart rhythm disorders that can lead to sudden death. While not all who have experienced a cardiac infarction will develop an arrhythmia, ...

Cardioversion is a procedure used to restore a normal heart rhythm. It’s most often used to treat AFib, the most common type of heart arrhythmia. While some people have success with medications, most ...

The SARS-CoV-2 virus can infect specialized pacemaker cells that maintain the heart's rhythmic beat, setting off a self-destruction process within the cells, according to a preclinical study. The ...

In a healthy heart, blood flows in only one direction. The four valves of the heart prevent blood from flowing backward. But a leaky heart valve, or heart valve regurgitation, causes a backflow of ...