Heart Diseases

Arrhythmia

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Arrhythmia is a condition in which heart beat is not regular, either too fast or too slow. A heart beat rate that is too fast – in adults more than 100 beats per minute– is called tachycardia and a heartbeat rate that is too slow – less than 60 beats per minute is called bradycardia. Usually Arrhythmia is associated with no symptoms. If symptoms are present, they may include palpitations or feeling a pause between heartbeats. More seriously there may be light headedness, passing out, shortness of breath, or chest pain. Causes of Arrhythmia include many chemical agents sometimes with serious consequences. Usual arrhythmia causing factors include high or low blood and tissue concentrations of a variety of minerals, such as magnesium, potassium, and calcium. These play a crucial role in starting and conducting normal impulses in the heart.