Heart Disease

Arrhythmias See All  Arrhythmias in Arrhythmias An arrhythmia is an abnormal heart rhythm that can cause problems with the contractions of your heart chambers. ...more  Atrial Fibrillation in Arrhythmias Atrial fibrillation, or AFib, is a kind of abnormal heart rhythm or arrhythmia. AFib increases the risk for blood clots. These clots can then travel to the brain, causing a stroke. This is why AFib significantly increases the risk for stroke. ...more  Atrial Flutter in Arrhythmias Atrial flutter is an abnormal heart rhythm that causes the atria to beat more quickly than they should. ...more  FAQs About Pacemakers and Implantable Cardioverter Defibrillators (ICDs) in Arrhythmias Do cell phones interfere with pacemakers? Do ICDs need to be adjusted? Here are answers to these and other questions. ...more  Heart Block in Arrhythmias When you have heart block, there is interference with the electrical signals that usually move from the top chambers of your heart to the bottom chambers, telling your heart when to beat. Read on to learn about causes, symptoms, and treatment. ...more  Living with a Pacemaker or Implantable Cardioverter Defibrillator (ICD) in Arrhythmias With advances in technology, pacemakers and ICDs generally last several years and, in most cases, allow a person to lead a normal life. ...more  Long QT Syndrome in Arrhythmias Long QT syndrome can cause life-threatening rapid heart rhythms that can lead to fainting or sudden death. ...more  Overview of Pacemakers and Implantable Cardioverter Defibrillators (ICDs) in Arrhythmias A pacemaker is a small device implanted under the skin that sends electrical signals to start or regulate a slow heartbeat. ...more  Sick Sinus Syndrome in Arrhythmias Sick sinus syndrome (SSS) is a type of abnormal heartbeat, or arrhythmia. If you have SSS, you may have episodes when your heart beats very slowly, stops beating for a short while, or beats very rapidly. ...more  Ventricular Fibrillation in Arrhythmias Ventricular fibrillation is a type of arrhythmia, or irregular heartbeat, that affects your heart's ventricles. ...more  Ventricular Tachycardia (VT) in Arrhythmias Ventricular tachycardia is a fast, abnormal heart rate that starts in the lower chambers of the heart. It can become life-threatening if it lasts more than a few seconds. Here's what you need to know about this condition. ...more  Wolff-Parkinson-White Syndrome in Arrhythmias Wolff-Parkinson-White syndrome (WPW) is a type of abnormal heartbeat. If you have WPW, you may have episodes of tachycardia, when your heart beats very rapidly ...more  Automated External Defibrillator in Arrhythmias An AED is a small, portable, battery-powered machine with a computer in it. The machine detects heart activity. It can give an electric shock to someone if needed. ...more