Applying my education and training to help relieve a family’s anxiety in this manner is one of the most fulfilling aspects of my job.


Undergraduate Degree

  • Middlebury College , 2004 , Middlebury , VT

Medical School

  • Albert Einstein College of Medicine , 2009 , Bronx , NY


  • Boston Children's Hospital/Boston Medical Center , 2010 , Boston , MA


  • Boston Children's Hospital/Boston Medical Center , 2012 , Boston , MA


  • Boston Children's Hospital , 2015 , Boston , MA


Senior Fellowship
  • Boston Children's Hospital , 2016 , Boston , MA

Philosophy of Care

Being told your child has a heart problem, no matter how simple or complex, is overwhelming information for a parent to hear. One of my most important roles as a physician caring for patients with heart disease is to educate patients and their families about their condition.  Applying my education and training to help relieve a family’s anxiety in this manner is one of the most fulfilling aspects of my job.


Dr. DeWitt completed medical school at Albert Einstein College of Medicine in the Bronx, NY, and then came to the Boston Combined Residency Program at Boston Children’s Hospital and Boston Medical Center, where she completed internship and residency in Pediatrics.  She then stayed on for categorical cardiology fellowship, during which time she served as Chief Fellow. She then completed advanced training in electrophysiology at Boston Children’s Hospital.  Dr. DeWitt is currently a member of the Electrophysiology Division at Boston Children’s Hospital.  She takes care of patients with heart rhythm disorders, in both the inpatient and outpatient settings.  She also performs arrhythmia ablations and pacemaker/ defibrillator and implantable loop recorder implants.   Recent research has focused on the ongoing clinical consequences of ICD therapy, and on initial management strategies in adults with repaired congenital heart disease and atrial tachycardia.  In addition, she has used an animal model to evaluate the physiologic effects of intravenous anti-arrhythmic therapy and inotropic agents on isolated hearts.


  • American Board of Pediatrics, General Pediatrics
  • American Board of Pediatrics, Pediatric Cardiology


Publications powered by Harvard Catalyst Profiles

  1. DeWitt ES, Chandler SF, Hylind RJ, Beausejour Ladouceur V, Blume ED, VanderPluym C, Powell AJ, Fynn-Thompson F, Roberts AE, Sanders SP, Bezzerides V, Lakdawala NK, MacRae CA, Abrams DJ. Phenotypic Manifestations of Arrhythmogenic Cardiomyopathy in Children and Adolescents. J Am Coll Cardiol. 2019 Jul 23; 74(3):346-358. View abstract
  2. O'Leary ET, Dewitt ES, Mah DY, Gauvreau K, Walsh EP, Bezzerides VJ. Differentiation of fasciculoventricular fibers from anteroseptal accessory pathways using the surface electrocardiogram. Heart Rhythm. 2019 Jul; 16(7):1072-1079. View abstract
  3. Mackin C, DeWitt ES, Black KJ, Tang X, Polizzotti BD, van den Bosch SJ, Alexander ME, Kheir JN. Intravenous Amiodarone and Sotalol Impair Contractility and Cardiac Output, but Procainamide Does Not: A Langendorff Study. J Cardiovasc Pharmacol Ther. 2019 May; 24(3):288-297. View abstract
  4. Mah DY, Prakash A, Porras D, Fynn-Thompson F, DeWitt ES, Banka P. Coronary artery compression from epicardial leads: More common than we think. Heart Rhythm. 2018 10; 15(10):1439-1447. View abstract
  5. DeWitt E, Callahan R, Blume E, Marshall A, Mah D. Trans-Fontan baffle placement of an endocardial systemic ventricular pacing lead. HeartRhythm Case Rep. 2017 Feb; 3(2):129-132. View abstract
  6. Allan CK, Tannous P, DeWitt E, Farias M, Mansfield L, Ronai C, Schidlow D, Sanders SP, Lock JE, Newburger JW, Brown DW. A Pediatric Cardiology Fellowship Boot Camp improves trainee confidence. Cardiol Young. 2016 Dec; 26(8):1514-1521. View abstract
  7. DeWitt ES, Black KJ, Kheir JN. Rodent Working Heart Model for the Study of Myocardial Performance and Oxygen Consumption. J Vis Exp. 2016 08 16; (114). View abstract
  8. DeWitt ES, Black KJ, Thiagarajan RR, DiNardo JA, Colan SD, McGowan FX, Kheir JN. Effects of commonly used inotropes on myocardial function and oxygen consumption under constant ventricular loading conditions. J Appl Physiol (1985). 2016 07 01; 121(1):7-14. View abstract
  9. DeWitt ES, Triedman JK, Cecchin F, Mah DY, Abrams DJ, Walsh EP, Gauvreau K, Alexander ME. Time dependence of risks and benefits in pediatric primary prevention implantable cardioverter-defibrillator therapy. Circ Arrhythm Electrophysiol. 2014 Dec; 7(6):1057-63. View abstract
  10. DeWitt ES, Abrams DJ. Implantable cardioverter-defibrillators in children. Arch Dis Child. 2015 Mar; 100(3):265-70. View abstract
  11. DeWitt ES, DiMichele DM, Larsen K, Pass RH. Successful cryoablation of atrioventricular nodal reentrant tachycardia in a child with hemophilia A. J Pediatr Hematol Oncol. 2010 Jul; 32(5):404-6. View abstract