What is ventricular tachycardia?
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Oliver Wilson
Works at the International Development Association, Lives in Washington, D.C., USA.
Ventricular tachycardia is a type of abnormal heart rhythm that originates in the ventricles, the lower chambers of the heart. It is characterized by three or more consecutive premature ventricular contractions (PVCs), which occur at a rate of more than 100 beats per minute. This can be a potentially life-threatening condition because it can lead to a heart attack or sudden cardiac arrest if not treated promptly.
Ventricular tachycardia can be classified into two main types: monomorphic and polymorphic. Monomorphic ventricular tachycardia has a regular pattern, while polymorphic ventricular tachycardia has an irregular pattern and is often associated with a condition called torsades de pointes.
The causes of ventricular tachycardia can include heart disease, coronary artery disease, heart failure, valvular heart disease, or even certain medications. It can also occur in individuals with no known heart disease, particularly in cases of long QT syndrome or Brugada syndrome.
Symptoms may include palpitations, lightheadedness, shortness of breath, chest pain, and in severe cases, loss of consciousness. Treatment options vary depending on the underlying cause and may include medications, cardioversion, **implantable cardioverter-defibrillator (ICD)**, or ablation.
Works at the International Labour Organization, Lives in Geneva, Switzerland.
Ventricular tachycardia (V-tach or VT) is a type of regular and fast heart rate that arises from improper electrical activity in the ventricles of the heart.
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Benjamin Wright
QuesHub.com delivers expert answers and knowledge to you.
Ventricular tachycardia (V-tach or VT) is a type of regular and fast heart rate that arises from improper electrical activity in the ventricles of the heart.
