Supra-ventricular Tachyarrhythmias

Supra-Ventricular Tachycardia (SVT) is an abnormally fast heart rhythm. It occurs when the electrical signals controlling the heart's rhythm are disrupted, causing the heart to beat faster than normal. SVT most commonly affects children and young adults, although it can occur at any age. The most common type of SVT is paroxysmal SVT, where episodes of abnormally fast heart rhythm last for a few seconds to minutes.

Symptoms of SVT include palpitations (a feeling of increased heart rate or fluttering in the chest), chest pain, lightheadedness, dizziness, and shortness of breath. Other symptoms may include sweating, fatigue, or nausea. Treatment for SVT usually involves medications or therapeutic procedures to reset the heart's rhythm. Some medications may be given intravenously to stop the arrhythmias quickly. Long-term medications may also be prescribed.

Common arrhythmias associated with SVT include Atrial Tachycardia, Atrial Flutter, Atrial Fibrillation, Junctional Tachycardia, and Ventricular Tachycardia.

Types of Arrhythmias Associated with SVT

Atrial Tachycardia: Atrial tachycardia is an abnormally fast heartbeat that begins in the heart's upper chambers (atria). It is the most common type of SVT.
Atrial Flutter: Atrial flutter occurs when the electrical signals that control the heart's rhythm are disrupted, causing the atria to beat too quickly. This arrhythmia is less common than atrial tachycardia and can cause chest discomfort as well as lightheadedness and dizziness.
Atrial Fibrillation: Atrial fibrillation is an abnormally fast and irregular heartbeat that begins in the heart's upper chambers (atria). This arrhythmia can cause palpitations, fatigue, chest pain, and shortness of breath.
Junctional Tachycardia: Junctional tachycardia is an abnormally fast heartbeat that begins in the heart's lower chambers (ventricles). This arrhythmia is typically seen in children and adolescents.
Ventricular Tachycardia: Ventricular tachycardia is an abnormally fast heartbeat that begins in the heart's lower chambers (ventricles). This arrhythmia can cause palpitations, chest discomfort, dizziness, and fainting.

If you are experiencing symptoms of SVT, make an appointment with your doctor so that an accurate diagnosis and treatment plan can be created. Your doctor may recommend exercise, medications, and lifestyle changes to help manage your symptoms.