Premature ventricular contraction (PVC) is a type of abnormal heartbeat, or arrhythmia. It happens when the heartbeat begins in the lower, rather than the upper, heart chambers. This creates an ...

Ventricular arrhythmia occurs when the heart’s lower chambers beat out of sync, which can prevent the heart from effectively pumping blood throughout the body. Diagnosis of ventricular arrhythmia ...

An arrhythmia is an atypical heartbeat that is either much faster or slower than expected. Your heartbeat may be described as chaotic, rather than steady and predictable. There are several types of ...

DEAR MAYO CLINIC: I've noticed that sometimes my heart races or skips a beat. What causes this? Is there treatment for it? ANSWER: What you're experiencing may be an abnormal heart rhythm, also known ...

Please provide your email address to receive an email when new articles are posted on . Compared with placebo, dapagliflozin reduced risk for ventricular arrhythmias, cardiac arrest and sudden death, ...

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 ...