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Ventricular Tachycardia

Ventricular tachycardia is a condition in which the ventricles of the heart beat at a very quick pace than normal because of a problem in the heart's electrical system. In ventricular tachycardia the heart is not able to pump enough blood to the body and lungs resulting in ventricular fibrillation which may cause cardiac arrest. An underlying cardiac disorder may damage the ventricular muscle resulting in Ventricular tachycardia. There are several causes for Ventricular Tachycardia

  • It can be caused by heart-related conditions such as hypertension.
  • Poor blood supply to the heart muscle due to atherosclerosis, heart valve disease, heart failure, cardiomyopathy, tumors, or infections
  • Thyroid disease, electrolyte imbalance, and alcohol or drug abuse.
  • Emotional stress

Signs of Ventricular Tachycardia are

  • Lightheadedness or dizziness
  • Palpitations
  • Fatigue
  • Chest pressure or pain
  • Shortness of breath
  • Fainting spells

Treatments used for Ventricular Tachycardia

  • Pacemakers: A small device called pacemaker is placed under the skin near the collarbone and connected to a pace wire positioned inside the heart. It delivers small electrical impulse which stimulates the heart to beat faster when it is going too slow.
  • Cardiac ablation: Thin, flexible tubes called catheters are inserted through blood vessels in the neck, arm or groin and then thread them through the blood vessels to the heart. Then radiofrequency energy or cryotherapy is applied through the catheters to destroy the abnormal heart tissue causing the condition.
  • Cardioversion: Electrical shock or drugs are sometimes used to restore the normal rhythm of heart.
  • Implantable cardioverter-defibrillator (ICD): It is a small device which is placed under the skin just below the collarbone to send electrical signals to the heart when it goes very fast. It is also helpful in regulating heartbeat.
  • Medications: Certain anti-arrhythmic drugs help to slow the heart rate, regulate the heart rhythm or prevent blood clots.

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