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What causes atrial tachycardia?

April 26, 2017atrial causes tachycardia

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What causes atrial tachycardia?

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Your heart has an electrical system inside it that controls your heart’s rhythm (heartbeat). A problem with your heart’s electrical system may lead to abnormal atrial beats and AT. Different types of AT can occur depending on where in your atria the electrical problem starts. Focal AT is when one area in the atria sends electrical impulses causing the atria to contract too quickly. Multifocal AT happens when more than one area in your atria sends out electrical impulses causing the atria to contract. Re-entrant AT is when the pathway of the impulse is blocked. This causes your heart to send repeat impulses to try to get past the blockage. Re-entrant AT can be focal or multifocal.