Education

Undergraduate School

Queen's University
2001 Kingston , Ontario Canada

Medical School

McMaster Medical School
2004 Hamilton, Ontario Canada

Internship

Johns Hopkins Hospital
2005 Baltimore MD

Residency

Johns Hopkins Hospital
2007 Baltimore MD

Fellowship

Pediatric Cardiology Boston Children's Hospital
2010 Bostoon MA

Fellowship

Cardiac Electrophysiology Boston Children's Hospital
2011 Boston MA

Publications

  1. Cardiovascular imaging in children with cardiac implantable electronic devices. Pediatr Radiol. 2025 Jan 21. View Abstract
  2. Thromboembolic Complications From Atrial Fibrillation and Atrial Flutter in Pediatrics and Young Adults: A Multicenter Study. J Cardiovasc Electrophysiol. 2024 Dec 02. View Abstract
  3. Efficacy and safety of early postoperative ablation in patients with congenital heart disease. Heart Rhythm. 2024 Sep 06. View Abstract
  4. Outcome of cardiac implantable electronic devices in pediatric heart transplant recipients. Heart Rhythm. 2025 Feb; 22(2):416-417. View Abstract
  5. Epicardial pacing outcomes in infants with heart block: Lead and device complications from a multicenter experience. Heart Rhythm. 2025 Jan; 22(1):170-180. View Abstract
  6. Comparative utility of omnipolar and bipolar electroanatomic mapping methods to detect and localize dual nodal substrate in patients with atrioventricular nodal reentrant tachycardia. J Interv Card Electrophysiol. 2024 Oct; 67(7):1579-1591. View Abstract
  7. Long-Term Outcomes of Cardiac Resynchronization Therapy in Patients With Repaired Tetralogy of Fallot: A Multicenter Study. Circ Arrhythm Electrophysiol. 2024 03; 17(3):e012363. View Abstract
  8. Safety and efficacy of combined dilation/stenting of venous abnormalities, including complete obstructions, during lead extractions in patients with congenital heart disease. J Cardiovasc Electrophysiol. 2024 Apr; 35(4):694-700. View Abstract
  9. Wearable technology for heart rhythm monitoring in children. Heart Rhythm. 2024 05; 21(5):590-591. View Abstract
  10. Multicenter Study of Survival Benefit of Cardiac Resynchronization Therapy in Pediatric and Congenital Heart Disease. JACC Clin Electrophysiol. 2024 Mar; 10(3):539-550. View Abstract
  11. Current State of Cardiac Implantable Electronic Device Remote Monitoring in Pediatrics and Congenital Heart Disease: A PACES-Sponsored Quality Improvement Initiative. Pediatr Cardiol. 2024 Jan; 45(1):114-120. View Abstract
  12. Cost of Pacing in Pediatric Patients With Postoperative Heart Block After Congenital Heart Surgery. JAMA Netw Open. 2023 11 01; 6(11):e2341174. View Abstract
  13. A multifunctional soft robot for cardiac interventions. Sci Adv. 2023 10 27; 9(43):eadi5559. View Abstract
  14. Medical cardioversion of atrial fibrillation and flutter with class IC antiarrhythmic drugs in young patients with and without congenital heart disease. J Cardiovasc Electrophysiol. 2023 12; 34(12):2545-2551. View Abstract
  15. Multicenter retrospective evaluation of magnetic resonance imaging in pediatric and congenital heart disease patients with cardiac implantable electronic devices. Heart Rhythm. 2023 12; 20(12):1752-1758. View Abstract
  16. Subcutaneous ICD in Congenital Heart Disease: Will Skin Deep Cut It? J Am Coll Cardiol. 2023 08 15; 82(7):600-602. View Abstract
  17. Lead Management in Patients with Congenital Heart Disease. Card Electrophysiol Clin. 2023 12; 15(4):481-491. View Abstract
  18. Retroflexed catheter course reduces the risk of right free wall accessory pathway recurrence. J Cardiovasc Electrophysiol. 2023 09; 34(9):1828-1834. View Abstract
  19. Pacemaker lead insertion sites contribute to abnormalities of myocardial function and histopathology. Heart Rhythm. 2023 12; 20(12):1739-1749. View Abstract
  20. Clinical implications of a unique delta wave pattern in patients with left-sided Wolff-Parkinson-White. Europace. 2023 05 19; 25(5). View Abstract
  21. Conduction system pacing in pediatric and congenital heart disease. Front Physiol. 2023; 14:1154629. View Abstract
  22. 2021 PACES Expert Consensus Statement on the Indications and Management of Cardiovascular Implantable Electronic Devices in Pediatric Patients: Executive Summary. Ann Pediatr Cardiol. 2022 May-Jun; 15(3):323-346. View Abstract
  23. Cardiac Resynchronization Therapy for Adult Patients With a Failing Systemic Right Ventricle: A Multicenter Study. J Am Heart Assoc. 2022 11 15; 11(22):e025121. View Abstract
  24. Atrial Standstill in the Pediatric Population: A Multi-Institution Collaboration. JACC Clin Electrophysiol. 2023 01; 9(1):57-69. View Abstract
  25. Ventricular arrhythmias after fibroma resection: Are patients still at risk? Heart Rhythm. 2023 02; 20(2):243-249. View Abstract
  26. Impact and Modifiers of Ventricular Pacing in Patients With Single Ventricle Circulation. J Am Coll Cardiol. 2022 08 30; 80(9):902-914. View Abstract
  27. Radiofrequency Catheter Ablation for Pediatric Atrioventricular Nodal Reentrant Tachycardia: Impact of Age on Procedural Methods and Durable Success. J Am Heart Assoc. 2022 06 21; 11(12):e022799. View Abstract
  28. Lead Extraction at a Pediatric/Congenital Heart Disease Center: The Importance of Patient Age at Implant. JACC Clin Electrophysiol. 2022 03; 8(3):343-353. View Abstract
  29. Activity During the COVID-19 Pandemic in Children with Cardiac Rhythm Management Devices. Pediatr Cardiol. 2022 Apr; 43(4):784-789. View Abstract
  30. Tachyarrhythmias arising from the conduction system in pediatric patients with complete heart block. HeartRhythm Case Rep. 2022 Jan; 8(1):22-26. View Abstract
  31. Pacemaker use for the treatment of reflex-mediated syncope: 40-year experience at a single paediatric institution. Cardiol Young. 2021 Oct 28; 1-6. View Abstract
  32. 2021 PACES expert consensus statement on the indications and management of cardiovascular implantable electronic devices in pediatric patients. Cardiol Young. 2021 Nov; 31(11):1738-1769. View Abstract
  33. 2021 PACES expert consensus statement on the indications and management of cardiovascular implantable electronic devices in pediatric patients: executive summary. Cardiol Young. 2021 Nov; 31(11):1717-1737. View Abstract
  34. 2021 PACES Expert Consensus Statement on the Indications and Management of Cardiovascular Implantable Electronic Devices in Pediatric Patients: Developed in collaboration with and endorsed by the Heart Rhythm Society (HRS), the American College of Cardiology (ACC), the American Heart Association (AHA), and the Association for European Paediatric and Congenital Cardiology (AEPC) Endorsed by the Asia Pacific Heart Rhythm Society (APHRS), the Indian Heart Rhythm Society (IHRS), and the Latin American Heart Rhythm Society (LAHRS). JACC Clin Electrophysiol. 2021 11; 7(11):1437-1472. View Abstract
  35. 2021 PACES Expert Consensus Statement on the Indications and Management of Cardiovascular Implantable Electronic Devices in Pediatric Patients: Executive Summary. Heart Rhythm. 2021 11; 18(11):1925-1950. View Abstract
  36. 2021 PACES Expert Consensus Statement on the Indications and Management of Cardiovascular Implantable Electronic Devices in Pediatric Patients. Heart Rhythm. 2021 11; 18(11):1888-1924. View Abstract
  37. 2021 PACES expert consensus statement on the indications and management of cardiovascular implantable electronic devices in pediatric patients. Indian Pacing Electrophysiol J. 2021 Nov-Dec; 21(6):367-393. View Abstract
  38. 2021 PACES expert consensus statement on the indications and management of cardiovascular implantable electronic devices in pediatric patients: Executive summary. Indian Pacing Electrophysiol J. 2021 Nov-Dec; 21(6):349-366. View Abstract
  39. Atrial pacing in Fontan patients: The effect of transvenous lead on clot burden. Heart Rhythm. 2021 11; 18(11):1860-1867. View Abstract
  40. Accessory pathway ablation in Ebstein anomaly: A challenging substrate. Heart Rhythm. 2021 11; 18(11):1844-1851. View Abstract
  41. Lead age as a predictor for failure in pediatrics and congenital heart disease. Pacing Clin Electrophysiol. 2021 04; 44(4):586-594. View Abstract
  42. Difference in the prevalence of intracardiac thrombus on the first presentation of atrial fibrillation versus flutter in the pediatric and congenital heart disease population. J Cardiovasc Electrophysiol. 2020 12; 31(12):3243-3250. View Abstract
  43. Risk Factors for Early Recurrence Following Ablation for Accessory Pathways: The Role of Consolidation Lesions. Circ Arrhythm Electrophysiol. 2020 11; 13(11):e008848. View Abstract
  44. Cardiac resynchronization therapy improves the ventricular function of patients with Fontan physiology. Am Heart J. 2020 12; 230:82-92. View Abstract
  45. Atrioventricular Block in Children With Multisystem Inflammatory Syndrome. Pediatrics. 2020 11; 146(5). View Abstract
  46. Resynchronizing Right and Left Ventricles With Right Bundle Branch Block in the Congenital Heart Disease Population. JACC Clin Electrophysiol. 2020 12; 6(14):1762-1772. View Abstract
  47. Value of provocative electrophysiology testing in the management of pediatric patients after congenital heart surgery. Pacing Clin Electrophysiol. 2020 09; 43(9):901-907. View Abstract
  48. WITHDRAWN: Complete Heart Block, Severe Ventricular Dysfunction and Myocardial Inflammation in a Child with COVID-19 Infection. JACC Case Rep. 2020 May 27. View Abstract
  49. Complete Heart Block, Severe Ventricular Dysfunction, and Myocardial Inflammation in a Child With COVID-19 Infection. JACC Case Rep. 2020 Jul 15; 2(9):1351-1355. View Abstract
  50. Clinical and Genetic Findings in Children Presenting With Ventricular Fibrillation as the First Manifestation of Cardiovascular Disease. J Am Heart Assoc. 2020 05 18; 9(10):e016322. View Abstract
  51. Low mortality in fetal supraventricular tachycardia: Outcomes in a 30-year single-institution experience. J Cardiovasc Electrophysiol. 2020 05; 31(5):1105-1113. View Abstract
  52. Adverse event rate during inpatient sotalol initiation for the management of supraventricular and ventricular tachycardia in the pediatric and young adult population. Heart Rhythm. 2020 06; 17(6):984-990. View Abstract
  53. Ultra-rapid atrial pacing as a form of rate control in postoperative automatic arrhythmias in patients with congenital heart disease. HeartRhythm Case Rep. 2020 Apr; 6(4):215-218. View Abstract
  54. Outcomes of catheter ablation of anteroseptal and midseptal accessory pathways in pediatric patients. Heart Rhythm. 2020 05; 17(5 Pt A):759-767. View Abstract
  55. Implanted pacemaker and cardioverter-defibrillator in a patient with ectopia cordis. HeartRhythm Case Rep. 2020 Feb; 6(2):110-113. View Abstract
  56. Successful bilateral thoracoscopic sympathectomy for recurrent ventricular arrhythmia in a pediatric patient with hypertrophic cardiomyopathy. HeartRhythm Case Rep. 2020 Jan; 6(1):23-26. View Abstract
  57. Acute coronary artery obstruction following surgical repair of congenital heart disease. J Thorac Cardiovasc Surg. 2020 05; 159(5):1957-1965.e1. View Abstract
  58. Differentiation of fasciculoventricular fibers from anteroseptal accessory pathways using the surface electrocardiogram. Heart Rhythm. 2019 07; 16(7):1072-1079. View Abstract
  59. The Real-World Utility of the LINQ Implantable Loop Recorder in Pediatric and Adult Congenital Heart Patients. JACC Clin Electrophysiol. 2019 02; 5(2):245-251. View Abstract
  60. Elective Extracorporeal Membrane Oxygenation Support for High-Risk Pediatric Cardiac Catheterization. J Cardiothorac Vasc Anesth. 2019 Jul; 33(7):1932-1938. View Abstract
  61. Riata lead failure in pediatric and congenital heart disease patients. J Cardiovasc Electrophysiol. 2019 03; 30(3):320-325. View Abstract
  62. Dual-Site Ventricular Pacing in Patients With Fontan Physiology and Heart Block: Does it Mitigate the Detrimental Effects of Single-Site Ventricular Pacing? JACC Clin Electrophysiol. 2018 10; 4(10):1289-1297. View Abstract
  63. Coronary artery compression from epicardial leads: More common than we think. Heart Rhythm. 2018 10; 15(10):1439-1447. View Abstract
  64. Evaluation of left ventricular false tendons in children with idiopathic left ventricular tachycardia. Pacing Clin Electrophysiol. 2018 09; 41(9):1143-1149. View Abstract
  65. Frequency of Ventricular Arrhythmias and Other Rhythm Abnormalities in Children and Young Adults With the Marfan Syndrome. Am J Cardiol. 2018 10 15; 122(8):1429-1436. View Abstract
  66. Utility of incomplete right bundle branch block as an isolated ECG finding in children undergoing initial cardiac evaluation. Congenit Heart Dis. 2018 May; 13(3):419-427. View Abstract
  67. Cardiac Events During Competitive, Recreational, and Daily Activities in Children and Adolescents With Long QT Syndrome. J Am Heart Assoc. 2017 Sep 21; 6(9). View Abstract
  68. Role of cardiac pacing in congenital complete heart block. Expert Rev Cardiovasc Ther. 2017 Nov; 15(11):853-861. View Abstract
  69. Radiation Safety in Children With Congenital and Acquired Heart Disease: A Scientific Position Statement on Multimodality Dose Optimization From the Image Gently Alliance. JACC Cardiovasc Imaging. 2017 07; 10(7):797-818. View Abstract
  70. The Phenotypic Spectrum of a Mutation Hotspot Responsible for the Short QT Syndrome. JACC Clin Electrophysiol. 2017 07; 3(7):727-743. View Abstract
  71. Trans-Fontan baffle placement of an endocardial systemic ventricular pacing lead. HeartRhythm Case Rep. 2017 Feb; 3(2):129-132. View Abstract
  72. Relation of Left Atrial Size to Atrial Fibrillation in Patients Aged =22 Years. Am J Cardiol. 2017 Jan 01; 119(1):52-56. View Abstract
  73. Transvenous approach to pacemaker lead implantation for sinus node dysfunction after extracardiac lateral tunnel Fontan conduit placement. HeartRhythm Case Rep. 2016 Nov; 2(6):495-498. View Abstract
  74. Evaluation of the fetal QT interval using non-invasive fetal ECG technology. Physiol Meas. 2016 09; 37(9):1392-403. View Abstract
  75. Heart block following stage 1 palliation of hypoplastic left heart syndrome. J Thorac Cardiovasc Surg. 2016 Jul; 152(1):189-94. View Abstract
  76. Impact of pacing on systemic ventricular function in L-transposition of the great arteries. J Thorac Cardiovasc Surg. 2016 Jan; 151(1):131-8. View Abstract
  77. Mechanism and ablation of arrhythmia following total cavopulmonary connection. Circ Arrhythm Electrophysiol. 2015 Apr; 8(2):318-25. View Abstract
  78. 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
  79. Perinatal outcome in fetuses with heterotaxy syndrome and atrioventricular block or bradycardia. Pediatr Cardiol. 2014 Aug; 35(6):906-13. View Abstract
  80. Utility of preoperative electrophysiologic studies in patients with Ebstein's anomaly undergoing the Cone procedure. Heart Rhythm. 2014 Feb; 11(2):182-6. View Abstract
  81. Incidence of and risk factors for catheterization-induced complete heart block in the pediatric cardiac catheterization laboratory. Circ Arrhythm Electrophysiol. 2014 Feb; 7(1):127-33. View Abstract
  82. In-hospital arrhythmia development and outcomes in pediatric patients with acute myocarditis. Am J Cardiol. 2014 Feb 01; 113(3):535-40. View Abstract
  83. Transbaffle mapping and ablation for atrial tachycardias after mustard, senning, or Fontan operations. J Am Heart Assoc. 2013 Sep 19; 2(5):e000325. View Abstract
  84. The use of an integrated electroanatomic mapping system and intracardiac echocardiography to reduce radiation exposure in children and young adults undergoing ablation of supraventricular tachycardia. Europace. 2014 Feb; 16(2):277-83. View Abstract
  85. The role of cardiac resynchronization therapy for arterial switch operations complicated by complete heart block. Ann Thorac Surg. 2013 Sep; 96(3):904-9. View Abstract
  86. The electrophysiological characteristics of accessory pathways in pediatric patients with intermittent preexcitation. Pacing Clin Electrophysiol. 2013 Sep; 36(9):1117-22. View Abstract
  87. Impact of cardiac devices on the quality of life in pediatric patients. Circ Arrhythm Electrophysiol. 2012 Dec; 5(6):1064-72. View Abstract
  88. Marked QT prolongation and ventricular tachycardia of a transient nature in young children with cardiomyopathy. Pacing Clin Electrophysiol. 2012 Aug; 35(8):e247-50. View Abstract
  89. The electroanatomic mechanisms of atrial tachycardia in patients with tetralogy of Fallot and double outlet right ventricle. J Cardiovasc Electrophysiol. 2011 Sep; 22(9):1013-7. View Abstract
  90. Nonfluoroscopic imaging systems reduce radiation exposure in children undergoing ablation of supraventricular tachycardia. Heart Rhythm. 2011 Apr; 8(4):519-25. View Abstract
  91. The risk of ionizing radiation in electrophysiology studies and ablations. Pacing Clin Electrophysiol. 2011 Mar; 34(3):261-3. View Abstract
  92. Epicardial left atrial appendage and biatrial appendage accessory pathways. Heart Rhythm. 2010 Dec; 7(12):1740-5. View Abstract
  93. A method incorporating 4DCT data for evaluating the dosimetric effects of respiratory motion in single-arc IMAT. Phys Med Biol. 2010 Jun 21; 55(12):3479-97. View Abstract
  94. Incidence and risk factors for mortality in infants awaiting heart transplantation in the USA. J Heart Lung Transplant. 2009 Dec; 28(12):1292-8. View Abstract
  95. Absolute vs relative improvements in congenital diaphragmatic hernia survival: what happened to "hidden mortality". J Pediatr Surg. 2009 May; 44(5):877-82. View Abstract
  96. Physiologic predictors for the need for patch closure in neonatal congenital diaphragmatic hernia. Pediatr Surg Int. 2008 Jun; 24(6):667-70. View Abstract
  97. Management of suspected common bile duct stones in children: role of selective intraoperative cholangiogram and endoscopic retrograde cholangiopancreatography. J Pediatr Surg. 2004 Jun; 39(6):808-12; discussion 808-12. View Abstract
  98. A practical diagnostic test for choroideremia. Ophthalmology. 1998 Sep; 105(9):1637-40. View Abstract

Contact Douglas Mah

Print Profile