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What is Arrhythmia?An arrhythmia is an irregularity in the heart's normal rhythm. At some point, almost everyone feels a skipped heartbeat or a heart palpitation, but these mild and infrequent events are harmless. However, if the condition recurs, it may be a sign that an arrhythmia is present. In such cases, you should see a doctor. A recurrent arrhythmia is a condition that affects millions of people worldwide. The arrhythmia is caused by a change or interruption in the way the heart receives and distributes electrical impulses. Various types of arrhythmias exist depending on what part of the heart is affected and how they originate. The causes of arrhythmia also vary but can generally be divided into two categories: (1) malfunctions in the electrical impulses that cause the heart muscle to beat; or (2) physical problems with the heart, such as valve disease, damage from a heart attack, or congenital heart defects. Untreated arrhythmias are a potentially serious medical condition. If left untreated, they can be the cause of serious heart problems and even lead to death. Early detection and treatment are crucial in preventing more serious health problems.  
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What Controls Your Heartbeat
To better understand the underlying causes of arrhythmia, it is necessary to understand the heart's conduction system. |
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