DISCLAIMER — All information contained in this webpage is NOT intended as specific medical advice for any individual with a medical condition similar to that described herein.
An arrhythmia is an uneven heartbeat. It means your heart is out of its usual rhythm.
It may feel like your heart skipped a beat, added a beat, or is “fluttering.” It might feel like it’s beating too fast (which doctors call tachycardia) or too slow (called bradycardia). Or you might not notice anything.
Arrhythmias can be an emergency, or they could be harmless. If you feel something unusual happening with your heartbeat, get medical help right away so doctors can find out why it’s happening and what you need to do about it.
An arrhythmia can be silent, meaning you don’t notice any symptoms. Your doctor may spot an uneven heartbeat during a physical exam.
If you have symptoms, they may include:
You could have an arrhythmia even if your heart is healthy. Or it could happen because of:
Heart arrhythmias fall into two categories. One starts from inside the heart’s lower chambers. Doctors call this kind “ventricular” because the lower chambers of the heart are the ventricles. The other kind starts outside or above the ventricles. You may hear these called “supraventricular” arrhythmias.
The most common types of arrhythmia include: