What Are the Basics of Ventricular Tachycardia?

1 Answer

What is ventricular tachycardia?

Ventricular tachycardia is a rapid heart rhythm that often occurs in the ventricles. The ventricles are the two lower Chambers of the heart. Blood flows from the atrium or the apical chamber of the heart and is then transported to other parts of the body. Ventricular tachycardia refers to a pulse of more than 100 beats per minute, with at least three consecutive irregular heartbeats. It is caused by a systemic failure of the heart. Your heart rate is controlled by electrical impulses that trigger each contraction and determine your heart's rhythm. When this process is interrupted and the electrical signal is sent too fast, ventricular tachycardia may occur. Before the heart contracts, a rapid heartbeat doesn't give the ventricles enough time to recharge. As a result, the heart may not be able to pump enough blood to the rest of the body. Ventricular tachycardia may last only a few seconds or longer.


Symptoms of ventricular tachycardia include:
  • dizziness
  • fainting
  • fatigue
  • chest pain
  • shortness of breath


There are many reasons can lead to the occurrence of diseases, including:
  • Ischemic heart disease, vascular narrowing of the heart.
  • Structural heart disease, abnormal heart valves.
  • The side effects of certain drugs.
  • Electrolyte imbalances.
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