Our Safe Care Commitment

The health and safety of our patients, families and staff is our top priority. We know that COVID-19 will be with us for the foreseeable future, so we're taking a comprehensive approach to provide you and your loved ones the safest possible environment. Read our Safe Care Commitment.

Specialists in Heart Rhythm Disorders

The Cardiac Arrhythmia Service at the Brigham and Women's Hospital Heart & Vascular Center is known worldwide for our expertise in evaluating and treating all types of abnormal heart rhythms. We offer our patients expert comprehensive, personalized care — from diagnosis and treatment to follow-up.

Some conditions we treat include:

Supraventricular Arrhythmias

Supraventricular arrhythmias are tachycardias (fast heartbeats) that start in the atria or atrioventricular (AV) node, including:

  • Atrial fibrillation (Afib), a very irregular and fast contraction of the atria that affects almost five million Americans. Afib can cause the heart rate to increase from the normal range of 60 to 100 beats per minute to 150 to 200 beats per minute. The condition can lead to chronic fatigue and increase the chances of congestive heart failure or stroke.
  • Atrial flutter, which is less common than Afib, but has similar symptoms and complications.
  • Paroxysmal supraventricular tachycardia, a fast heart rate that begins and ends suddenly. This condition occurs when the electrical connection between the atria and the ventricles doesn't function properly.

Ventricular Arrhythmias

Ventricular arrhythmias begin in the ventricles, the heart's lower chambers, and often require immediate medical care. In addition to ventricular tachycardia, a fast, irregular beating of the ventricles, another type of ventricular arrhythmia is ventricular fibrillation, when electrical signals make the ventricles quiver instead of pumping normally.


Bradycardia is an abnormally slow heartbeat caused by an abnormality in the heart's electrical pumping system. This can cause fatigue, shortness of breath, dizziness, and fainting. In most cases, bradycardia only needs to be treated if it is causing symptoms.

Why Choose Us

The Cardiac Arrhythmia Service at Brigham and Women's Heart & Vascular Center, our team of specialized clinicians has expertise in treating all kinds of heart rhythm disorders. As a patient, you can count on:

  • Access to advanced imaging, including intracardiac ultrasound, innovative mapping systems, and 4D CT, which translates to more accurate visibility and diagnosis and leads to more precise surgical and interventional care
  • A team approach to integrated care, delivered by cardiac electrophysiologists, interventional cardiologists, cardiovascular imaging experts, radiologists, cardiac anesthesiologists, nurses, physician assistants, physical therapists, dietitians, and social workers, leading to better outcomes for patients
  • Access to the most innovative procedures, techniques, devices, and clinical trials; our clinicians are continually working to advance patient care
  • Expertise in treating the most complex rhythm disorders, even those deemed untreatable at other centers
  • Coordinated care from the No. 7 best hospital for cardiology & heart surgery in the country, as ranked by U.S. News & World Report
  • Our team of cardiac specialists offer Virtual Visits to consult with you while you stay at home. Whether for an initial consult, second opinion, pre-op or follow-up care, we will keep you connected to your care and on track with your treatment plan.

Request an Appointment

We are steadfast in our commitment to treating you in the safest possible environment and are seeing patients both in person and through Virtual Visits. To request an appointment, please call 857-307-6048 Monday - Friday, 8am-5pm ET or complete the form to receive a callback.


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Atrial fibrillation, or Afib, is the most common type of arrhythmia, or abnormal heartbeat. Many people with Afib experience a rapid, irregular heartbeat that can be bothersome or even frightening.

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In an arrhythmia, abnormal electrical signals through the heart muscle may cause the heart to beat too fast (tachycardia), too slow (bradycardia), or irregularly. This introduction covers the various types of arrhythmias, symptoms, and treatment options.

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