Abnormal Heart Rhythm

An abnormal heart beat, also known as an arrhythmia, is a disorder of the heart rate (pulse) or heart rhythm, such as beating too fast (tachycardia), too slow (bradycardia), or irregularly.

Our highly specialized electrophysiologists cure many heart arrhythmias using the latest techniques, including radiofrequency ablation and cryoablation, an approach that can eliminate the need for long-term drug treatment in some patients.

Programs + Services


New England Cardiac Arrhythmia Center

The New England Cardiac Arrythmia Center uses innovative methods to treat heart rhythm disorders. Learn more about our personalized care and book an appointment today.
More information about programs and services

Doctors + Care Team

Ann Garlitski, MD

Ann Garlitski, MD

Accepting New Patients

Title(s): Co-Director, New England Cardiac Arrhythmia Center; Assistant Professor, Tufts University School of Medicine
Department(s): Medicine, CardioVascular Center, Cardiology
Appt. Phone: 617-636-5939
Fax #: 617-636-9115

Cardiac arrhythmias

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Christopher Madias, MD

Christopher Madias, MD

Accepting New Patients

Title(s): Director, Cardiac Arrhythmia Center
Department(s): Medicine, CardioVascular Center, Cardiology
Appt. Phone: 617-636-5902
Fax #: 617-636-9115

Cardiovascular disease, cardiac electrophysiology, WATCHMAN

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picture of Douglas Laidlaw, MD

Douglas Laidlaw, MD

Accepting New Patients

Title(s): Cardiologist; Assistant Professor, Tufts University School of Medicine
Department(s): Medicine, CardioVascular Center, Cardiology
Appt. Phone: 617-636-9488
Fax #: 617-636-9115

Electrophysiology, pacemaker services

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Frederick  Y. Chen, MD, PhD

Frederick Y. Chen, MD, PhD

Accepting New Patients

Title(s): Chief, Cardiac Surgery; Professor of Surgery, Tufts University School of Medicine
Department(s): Surgery, CardioVascular Center, Cardiac Surgery
Appt. Phone: 617-636-5590
Fax #: 617-636-6410

Surgical treatment of acquired heart disease, surgical repair of valvular heart disease, minimally invasive surgery, arrhythmia surgery, heart transplantation, circulatory assist devices, hypertrophic cardiomyopathy (HCM)

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Jonathan Weinstock, MD

Jonathan Weinstock, MD

Accepting New Patients

Title(s): Co-Director, New England Cardiac Arrhythmia Center; Assistant Professor, Tufts University School of Medicine
Department(s): Medicine, CardioVascular Center, Cardiology
Appt. Phone: 617-636-5902
Fax #: 617-636-9115

Electrophysiology, arrhythmias

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Munther K. Homoud, MD

Munther K. Homoud, MD

Accepting New Patients

Title(s): Co-Director, New England Cardiac Arrhythmia Center; Assistant Professor, Tufts University School of Medicine
Department(s): Medicine, CardioVascular Center, Cardiology
Appt. Phone: 617-636-5902
Fax #: 617-636-9115

Cardiac arrhythmias, pacemakers, implantable cardioverter defibrillation, surgery for arrhythmias

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Nicole M Orr, MD, FACC

Nicole M Orr, MD, FACC

Accepting New Patients

Title(s): Cardiologist; Assistant Professor, Tufts University School of Medicine
Department(s): Medicine, CardioVascular Center, Cardiology
Appt. Phone:
Fax #:

Geriatric cardiology, echocardiography

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Sushil Singh, MD

Sushil Singh, MD

Accepting New Patients

Title(s): Cardiologist; Assistant Professor, Tufts University School of Medicine
Department(s): Medicine, CardioVascular Center, Cardiology
Appt. Phone: 617-636-5902
Fax #: 617-636-9115

Electrophysiology, arrhythmias

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