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.
Change in Heartbeat-Preparing For Your Appointment
To prepare for your appointment,see the topic Making the Most of Your Appointment. You can help your doctor diagnose and treat your condition by being prepared to answer the following questions: Do you have a history of problems with your heart rate or rhythm? If so: Did you see a doctor? What was the diagnosis? What tests were done? How was it treated? When did you first notice the change in ...
Medical History and Physical Exam for a Fast Heart Rate
A medical history and physical examination are routinely used to evaluate an illness or disease. A medical history and physical exam can often reveal as much or more than many diagnostic lab tests because they help uncover important clues about your illness. The medical history and physical exam will often direct further testing.The health professional may ask questions similar to the following: .
Medical History and Physical Exam for a Slow Heart Rate
A doctor will ask you questions about your medical history and do a physical exam to evaluate your symptoms. The information gained from your medical background and physical exam may provide important clues about your symptoms. It also can help a doctor recommend specific tests to help diagnose and treat your condition.If the doctor thinks you have bradycardia, he or she may ask:What symptoms ...
Abnormal Heart Rhythms and Implantable Cardioverter Defibrillators (ICD)
Abnormal heart rhythms sometimes require the use of an ICD or implantable cardioverter defibrillator. WebMD explains how the device works.
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
A Holter monitor is a type of ambulatory electrocardiogram (EKG or ECG). Ambulatory means that you are able to walk. This device can record the electrical activity of your heart while you move around to do your usual activities. You might wear it for 24 to 72 hours. The monitor is a lightweight, battery-operated tape recorder. You can wear it on a strap over your shoulder. Or you can wear it around your waist. The monitor is connected by wires to small metal discs (electrodes) taped to your chest.
Implantable cardioverter-defibrillator (ICD)
Image of an implantable cardioverter defibrillator (ICD); A doctor places an implantable cardioverter-defibrillator (also called an ICD) in the chest. The ICD has one or two wires called leads that connect to the heart through a vein. The ICD checks the heartbeat for an abnormal rhythm. If the ICD senses an abnormal heart rhythm,it sends out either electrical pulses or a shock to fix it. ...
Slideshow: 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.
Slideshow: 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.