Atrial Fibrillation Medical Reference

Your heart feels like it’s racing or skipping beats. Could it be anxiety, or is it atrial fibrillation? Here’s how to tell the difference.

Both valvular and nonvalvular AFib can get worse over time. Learn what that means, why it happens, how fast, what contributes to it, and what you can do.

Learn the difference between these two AFib types, and how your doctor treats them.

Atrial fibrillation is a serious heart condition, but it probably won't turn your life upside-down. Find out the truth about some common things people get wrong.

Some episodes of AFib can come and go on their own. Sometimes, you may be able to take steps to help ease symptoms or stop an episode when it starts.

Learn about the symptoms, causes, treatments, and lifestyle tips to help you manage persistent AFib.

Atrial fibrillation affects how your heart pumps blood. That can cause problems like stroke and heart failure, but these complications are preventable.

Atrial flutter and atrial fibrillation (AFib) are two types of abnormal heart rhythm. Learn the difference, and how each one is treated.

Atrial fibrillation can make your heart beat with an unsteady rhythm. If you have AFib and your heart is beating too slowly, you might need a pacemaker, along with other treatments, to keep it at a safe rate.

For years, medication and ablation were the leading AFib treatments. Now research shows ablation may work better than drugs.

If you have atrial fibrillation, it can raise your chances of having a stroke. Your CHADS2 score may tell your doctor if you need anti-stroke medicine.

Tachycardia, or a fast heart rate, can be caused by many medications, including antibiotics, antidepressants, and even certain supplements.

Postural Orthostatic Tachycardia Syndrome (POTS) is a circulatory disorder that can make you feel faint and dizzy. Learn more about the symptoms, causes, and treatment of this condition.

Extra pounds can raise your risk of an abnormal heart rhythm called atrial fibrillation. The good news: Weight loss can help you beat this condition.

If you feel like your heart occasionally skips a beat, you could actually be having an extra heartbeat. One condition that causes this extra beat is premature atrial contractions.

How long before you're back on your feet? Will it cure your AFib? Your recovery and results will depend on which procedure you have, but here's a general idea.

Which supplements may help your AFib? Which ones won't? Will any cause problems with your medication? Find out what to consider before you take anything.

When your heart is working like it should, your heartbeat is steady with a normal sinus rhythm. When it's not, you can have the most common irregular heartbeat, called AFib.

Learn how heart failure and atrial fibrillation (AFib) are related and what raises your odds of having both.

Find out how atrial fibrillation (AFib) and high blood pressure are linked and why both raise your chances of having a stroke.

Learn about the link between an overactive thyroid and atrial fibrillation (AFib), when to call your doctor, and what tests and treatments you can expect.

Treating atrial fibrillation takes a team effort. WebMD introduces you to the doctors and specialists who'll help keep your heart healthy.

An ICD can save your life if you're at risk for dangerous heart arrhythmias. WebMD provides tips about living your best life with this medical device

If you have a condition that causes your heart rate to speed up, a vagal maneuver may help slow it down. WebMD explains how this works and what you may be able do at home.

WebMD explains the maze procedure, a type of surgery that changes electrical patterns in your heart to stop atrial fibrillation (AFib).