What Is an SVT Heart Condition?


Quick Answer

An SVT heart condition, or supraventricular tachycardia, is a condition where the heart periodically beats very rapidly, states WebMD. The cause of this increased heart rate does not include exercise, stress or high fever.

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Full Answer

An SVT episode normally happens when the heart’s electric system fails to function properly, causing the heart to beat at a high rate. SVT usually disappears on its own or after treatment, according to WebMD. This condition becomes problematic when it causes symptoms, happens frequently or when it lasts for too long. Family history, certain health conditions, surgery and medication such as theophylline and digoxin can cause SVT. People with SVT may experience symptoms such as palpitations, dizziness, fainting, chest pain and shortness of breath.

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