An arrhythmia is an irregular heart rhythm. An arrhythmia can occur with a normal heart rate or with fast or slow heart rates. Causes may include coronary artery disease, heart attack, heart surgery, blood imbalances, and more. There are many types of arrhythmias including atrial fibrillation and atrial flutter. Treatments include medications and lifestyle changes, cardioversion, pacemakers, ICDs, and surgery. Follow the links below to find WebMD's comprehensive coverage about how arrhythmia is caused, what it looks like, how to treat it, and much more.
Health Risks of Obesity
Being overweight or obese puts you at risk for many serious health conditions, including diabetes, sleep apnea, and even cancer. Learn more from WebMD about diseases you can prevent by losing weight.
Treatment for Fainting
WebMD explains how your doctor will determine the cause of your fainting, and what to do if someone nearby faints.
Antiarrhythmics Drugs to Treat Heart Disease
WebMD explains how antiarrhythmic drugs can be used to help treat abnormal heart rhythms.
Causes and Treatments of Heart Murmurs
Learn the causes of heart murmurs, how to treat them, and how to prevent them.
5 Heart Rate Myths Debunked
Myths and facts about heart rates, including what an erratic heart rate means and the link between your pulse and stress.
Medication to Control Your Heart's Rate and Rhythm
Different kinds of medication can treat the irregular heartbeat of AFib, by controlling the rate or the rhythm.
Atrial Fibrillation (AFib) Myths and Facts
Did you know? If you have AFib, you can drive, have sex, and even eat ice cream. Find out if what you think is true.
Slideshows & Images
20 Foods That Can Save Your Heart
The top foods for heart health go beyond cholesterol busters to edamame, nuts, salmon, even coffee. Cooking tips and pictures show how to work new foods into your diet.
A Visual Guide to Heart Disease
WebMD provides a visual overview of heart disease, including symptoms to watch for, diagnostic tests, treatments, and prevention strategies.
A Visual Guide to Atrial Fibrillation
See inside a heart during atrial fibrillation. Pictures show the causes, tests, and treatments for this common heart rhythm problem through illustrations and photos.
Why Am I Having Heart Palpitations?
Why does your heart race or skip a beat? Learn what causes heart palpitations and when to see your doctor.