Ventricular Tachycardia Overview
Learn About Ventricular Tachycardia
Ventricular tachycardia (VT) is a rapid heartbeat that starts in the lower chambers of the heart (ventricles).
Wide-complex tachycardia; V tach; Tachycardia - ventricular
VT is a pulse rate of more than 100 beats per minute, with at least 3 abnormal rapid heartbeats in a row.
The condition can develop as an early or late complication of a heart attack. It may also occur in people with:
- Cardiomyopathy
- Heart failure (also called congestive heart failure)
- Heart surgery
- Myocarditis
- Valvular heart disease
VT can occur without other heart disease.
Scar tissue may form in the muscle of the ventricles days, months, or years after a heart attack. This can lead to ventricular tachycardia.
VT can also be caused by:
- Anti-arrhythmic drugs (used to treat an abnormal heart rhythm)
- Changes in blood chemistry (such as a low potassium level)
- Changes in blood pH (acid-base)
- Lack of enough oxygen
"Torsade de pointes" is a specific form of VT. It is often due to congenital heart disease or the use of certain medicines.
You may have symptoms if the heart rate during a VT episode is very fast or lasts longer than a few seconds. Symptoms may include:
- Chest discomfort (angina)
- Fainting (syncope)
- Lightheadedness or dizziness
- Sensation of feeling the heart beat (palpitations)
- Shortness of breath
Symptoms may start and stop suddenly. In some cases, there are no symptoms.
Treatment depends on the symptoms, and the type of heart disorder.
If someone with VT is in distress, they may require:
- Cardiopulmonary resuscitation (CPR)
- Cardioversion (electric shock)
- Medicines (such as lidocaine, procainamide, sotalol, or amiodarone) given through a vein
After an episode of VT, steps are taken to prevent further episodes.
- Medicines taken by mouth may be needed for long-term treatment. However, these medicines may have severe side effects. They are being used less often as other treatments are developed.
- A procedure to destroy the heart tissue that is causing the abnormal heartbeat (called ablation) may be done.
- An implantable cardioverter defibrillator (ICD) may be recommended. It is an implanted device that detects any life-threatening, rapid heartbeat. This abnormal heartbeat is called an arrhythmia. If it occurs, the ICD quickly sends an electrical shock to the heart to change the rhythm back to normal. This is called defibrillation.
University Medical Associates Of The Medical University Of South Carol
Jeffrey Winterfield is a Cardiac Electrophysiologist and a Cardiologist in Charleston, South Carolina. Dr. Winterfield is rated as an Elite provider by MediFind in the treatment of Ventricular Tachycardia. His top areas of expertise are Ventricular Tachycardia, Arrhythmias, Ectopic Heartbeat, Cardiac Ablation, and Pacemaker Implantation. Dr. Winterfield is currently accepting new patients.
New York University
Chirag Barbhaiya is a Cardiac Electrophysiologist and a Cardiologist in Huntington Station, New York. Dr. Barbhaiya is rated as an Elite provider by MediFind in the treatment of Ventricular Tachycardia. His top areas of expertise are Arrhythmias, Ventricular Tachycardia, Atrial Fibrillation, Cardiac Ablation, and Pacemaker Implantation.
New York University
Larry Chinitz is a Cardiac Electrophysiologist and a Cardiologist in New York, New York. Dr. Chinitz is rated as an Elite provider by MediFind in the treatment of Ventricular Tachycardia. His top areas of expertise are Atrial Fibrillation, Arrhythmias, Ventricular Tachycardia, Cardiac Ablation, and Pacemaker Implantation.
The outcome depends on the heart condition and symptoms.
Ventricular tachycardia may not cause symptoms in some people. However, it can be deadly. It is a major cause of sudden cardiac death.
Go to the emergency room or call 911 or the local emergency number if you have a rapid, irregular pulse, faint, or have chest pain. All of these may be signs of ventricular tachycardia.
In some cases, the disorder cannot be prevented. In other cases, it can be prevented by treating heart problems and avoiding certain medicines.
Summary: The purpose of this study is to assess the safety and feasibility of the investigational catheter for mapping the atrial and ventricular regions of the heart.
Summary: Sphere-9 VT EFS is a prospective, multi-center, non-randomized, unblinded feasibility study. Adult subjects with recurrent, sustained, monomorphic ventricular tachycardia due to prior myocardial infarction will be enrolled and treated with the Sphere-9 Catheter and Affera Ablation System.
Published Date: May 27, 2024
Published By: Michael A. Chen, MD, PhD, Associate Professor of Medicine, Division of Cardiology, Harborview Medical Center, University of Washington Medical School, Seattle, WA. Also reviewed by David C. Dugdale, MD, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.
Al-Khatib SM, Stevenson WG, Ackerman MJ, et al. 2017 AHA/ACC/HRS Guideline for management of patients with ventricular arrhythmias and the prevention of sudden cardiac death: a report of the American College of Cardiology/American Heart Association Task Force on clinical practice guidelines and the Heart Rhythm Society [published correction appears in J Am Coll Cardiol. 2018;72(14):1760]. J Am Coll Cardiol. 2018;72(14):1677-1749. PMID: 29097294 pubmed.ncbi.nlm.nih.gov/29097294/.
Epstein EF, DiMarco JP, Ellenbogen KA, Estes NA 3rd, et al. 2012 ACCF/AHA/HRS focused update incorporated into the ACCF/AHA/HRS 2008 guidelines for device-based therapy of cardiac rhythm abnormalities: a report of the American College of Cardiology Foundation/American Heart Association Task Force on Practice Guidelines and the Heart Rhythm Society. J Am Coll Cardiol. 2013;661(3):e6-75. PMID: 23265327 pubmed.ncbi.nlm.nih.gov/23265327/.
Garan H. Ventricular arrhythmias. In: Goldman L, Cooney KA, eds. Goldman-Cecil Medicine. 27th ed. Philadelphia, PA: Elsevier; 2024:chap 53.
Stevenson WG, Keppenfeld K. Ventricular Arrhythmias. In: Libby P, Bonow RO, Mann DL, Tomaselli GF, Bhatt DL, Solomon SD, eds. Braunwald's Heart Disease: A Textbook of Cardiovascular Medicine. 12th ed. Philadelphia, PA: Elsevier; 2022:chap 67.