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.

Programs + Services


Pediatric Cardiology

The Heart Center for Children at Tufts Children's Hospital includes top pediatric cardiologists in Boston and greater Boston for treating your child’s heart problems.
More information about programs and services

Doctors + Care Team

Christopher Madias, MD

Christopher Madias, MD

Accepting New Patients

Virtual Appointments Available

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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Liwen Tang, MD

Liwen Tang, MD

Accepting New Patients

Virtual Appointments Available

Title(s): Pediatric Cardiologist; Clinical Associate Professor, Tufts University School of Medicine
Department(s): Pediatrics, Pediatric Cardiology
Appt. Phone: 617-636-5067
Fax #: 617-636-2354

General pediatric cardiology, echocardiogram, fetal echocardiogram

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Mark V. Zilberman, MD

Mark V. Zilberman, MD

Accepting New Patients

Virtual Appointments Available

Title(s): Director, Pediatric Echocardiology and Fetal Cardiology; Director, Adult Congenital Heart Disease Clinic; Pediatric Cardiologist; Associate Professor, Tufts University School of Medicine
Department(s): Pediatrics, CardioVascular Center, Pediatric Cardiology
Appt. Phone: 617-636-2273
Fax #: 617-636-5913

Adult congenital heart disease, Non-invasive diagnostics

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Michael de Moor, MD

Michael de Moor, MD

Accepting New Patients

Title(s): Director, Pediatric Cardiac Catheterizations and Interventions; Associate Professor, Tufts University School of Medicine
Department(s): Pediatrics, CardioVascular Center, Pediatric Cardiology
Appt. Phone: 617-636-5067
Fax #: 617-636-2354

Pediatric cardiology, interventional cardiology

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