Ventricular Tachycardia (VT): Understanding Symptoms, Causes, Treatment Options, and Catheter Ablation

Ventricular tachycardia (VT) is a potentially life-threatening heart rhythm disorder in which abnormal electrical signals arise from the lower chambers of the heart, known as the ventricles. This condition disrupts the heart’s normal rhythm and can significantly affect its ability to pump blood effectively.

In people with VT, the heart often beats at a very rapid rate—usually between 150 and 200 beats per minute—far exceeding the normal resting heart rate of 60 to 100 beats per minute. Because the heart beats too quickly, it does not have enough time to fill with blood between contractions. As a result, blood circulation to vital organs may be reduced.

This abnormal rhythm can cause symptoms such as dizziness, shortness of breath, extreme tiredness, chest discomfort, or fainting. In severe cases, ventricular tachycardia may progress to sudden cardiac arrest if not treated promptly. Early diagnosis and appropriate medical management are essential to prevent complications and improve long-term outcomes.

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