What Is an Electrocardiogram?
An electrocardiogram (EKG) is a simple, painless test that records the heart's electrical activity DCI Home: Heart & Vascular Diseases: Electrocardiogram: What Is ... An electrocardiogram (e-lek-tro-KAR-de-o-gram), or EKG, is a simple, painless ... [... more]
Heart & Blood Institute |
What Is Sudden Cardiac Arrest?
Sudden cardiac arrest (SCA) is a condition in which the heart suddenly and unexpectedly stops beating. SCA usually causes death if it's not treated within minutes. DCI Home: Heart & Vascular Diseases: Sudden Cardiac Arrest: What Is ... Sudden ... [... more]
Heart & Blood Institute |
What Is Long QT Syndrome?
Long QT syndrome (LQTS) is a disorder of the heart's electrical activity that may cause you to develop a sudden, uncontrollable, and dangerous heart rhythm (called an arrhythmia) in response to exercise or stress. DCI Home: Heart & Vascular ... [... more]
Heart & Blood Institute |
What Is an Arrhythmia?
An arrhythmia (ah-RITH-me-ah) is a problem with the speed or rhythm of the heartbeat. DCI Home: Heart and Vascular Diseases: Arrhythmia: What Is ... An arrhythmia (ah-RITH-me-ah) is a problem with the speed or rhythm of the heartbeat. During an ... [... more]
Heart & Blood Institute |
What Is Atrial Fibrillation?
Atrial fibrillation (A-tre-al fi-bri-LA-shun), or AF, is one type of arrhythmia (ah-RITH-me-ah). An arrhythmia is a problem with the speed or rhythm of the heartbeat. A disorder in the heart's electrical system causes AF and other types of ... [... more]
Heart & Blood Institute |
What Are Holter and Event Monitors?
Holter and event monitors are medical devices that record the heart's electrical activity. DCI Home: Heart & Vascular Diseases: Holter and Event Monitors: What Are ... Holter and event monitors are medical devices that record the heart's ... [... more]
Heart & Blood Institute |
What Is Catheter Ablation?
Catheter ablation is a medical procedure used to treat some arrhythmias. DCI Home: Heart and Vascular Diseases: Catheter Ablation: What Is ... Catheter ablation (ab-LA-shun) is a medical procedure used to treat some arrhythmias (ah-RITH-me-ahs). ... [... more]
Heart & Blood Institute |
What Is Heart Block?
DCI Home: Heart & Vascular Diseases: Heart Block: What Is ... Heart block is a problem that occurs with the heart's electrical system. This system controls the rate and rhythm of heartbeats. ("Rate" refers to the number of times your heart [... more]
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