Mark E.  Alexander

Mark Alexander, MD

Associate in Cardiology, Co-Director Exercise Physiology

Assistant Professor in Pediatrics, Harvard Medical School

  • Contact: 617-355-7833

  • Fax: 617-739-9058

"Understanding the patient's goals, interests and fears can help us frame difficult decisions and respond honestly."

Medical Services

Specialties

  • Cardiac Electrophysiology
  • Arrhythmia
  • Ablation
  • Pacemaker
  • Cardiology

Departments

  • Cardiology
  • Cardiovascular Program

Programs

  • Electrophysiology Service
  • Fetal Cardiology Program
  • Exercise Physiology
  • Adult Congenital Heart Service
To schedule an appointment: Call 617-355-7833 or Request an Appointment
Mark E.  Alexander

Many patients will need to see us for years. Understanding their goals, interests and fears can help us frame difficult decisions and respond honestly. 

As children move into adolescence, constantly refocusing care towards the teen is equally critical. Recurrent education about options, anticipated problems and tradeoffs takes longer. Whenever possible, this combination of interest, respect and education lets families make effective choices.

What I love about Boston Children's Hospital

As a general pediatrician earlier in my career, I was constantly frustrated that when I identified a major problem I almost always had to get help to manage it.  Now, after more than 20 years at Boston Children's, I know precisely how to help my patients with a number of major problems.  And I know exactly where to find colleagues, nurses, and technologists with the same level of commitment.  

Experience and Education

Education

Undergraduate

Amherst College, 1980

Amherst , MA

Medical School

Boston University School of Medicine, 1985

Boston, MA

Internship

Tripler Army Medical Center, 1985-1986

Honolulu, HI

Residency

Tripler Army Medical Center, 1986-1988

Honolulu, HI

Fellowship

Boston Children's Hospital, 1993-1998

Boston, MA

Certifications

  • International Board of Heart Rhythm Examiners

  • Advanced Cardiac Life Support

  • Pediatrics, Pediatric Cardiology

Professional History

Following medical school, Dr. Alexander completed a pediatric residency in Hawaii and then served four years as an Army Pediatrician in rural Louisiana. He returned to Boston for a fellowship in pediatric cardiology and completed additional training in electrophysiology, which included serving as Chief Fellow. Since 1996, he has been a director of the Exercise Physiology Program and joined the Arrhythmia Service in 1998. One aspect of his clinical work focuses on arrhythmias in children from fetal life to well into adulthood for those with congenital heart disease. This focus has been part of numerous research papers and presentations on the risks and benefits of therapy. He performs catheter ablations, manages pacemakers and ICDs and assists in balancing therapy options for arrhythmias. A second aspect has been to serve as liaison with neurology, anesthesia and the emergency room in evaluating potential cardiac concerns in patients. This has developed shared expertise in patients with problematic syncope syndromes, Rett’s Syndrome, and congenital central hypoventilation. More recently, Dr. Alexander has been serving on the Institutional Review Board and on the Unexplained Diagnoses Taskforce. He currently directs the New England-wide Systematic Clinical Assessment and Management Program (SCAMP) on syncope.

Publications

Publications powered by Harvard Catalyst
  1. Kussman BD, Aasted CM, Yücel MA, Steele SC, Alexander ME, Boas DA, Borsook D, Becerra L. Capturing Pain in the Cortex during General Anesthesia: Near Infrared Spectroscopy Measures in Patients Undergoing Catheter Ablation of Arrhythmias. PLoS One. 2016; 11(7):e0158975.
  2. Mah DY, Cheng H, Alexander ME, Sleeper L, Newburger JW, Del Nido PJ, Thiagarajan RR, Rajagopal SK. Heart block following stage 1 palliation of hypoplastic left heart syndrome. J Thorac Cardiovasc Surg. 2016 Jul; 152(1):189-94.
  3. Paris Y, Toro-Salazar OH, Gauthier NS, Rotondo KM, Arnold L, Hamershock R, Saudek DE, Fulton DR, Renaud A, Alexander ME. Regional Implementation of a Pediatric Cardiology Syncope Algorithm Using Standardized Clinical Assessment and Management Plans (SCAMPS) Methodology. J Am Heart Assoc. 2016; 5(2).
  4. Kuebler JD, Chen MH, Alexander ME, Rhodes J. Exercise Performance in Patients with D-Loop Transposition of the Great Arteries After Arterial Switch Operation: Long-Term Outcomes and Longitudinal Assessment. Pediatr Cardiol. 2016 Feb; 37(2):283-9.
  5. Lobo K, Donado C, Cornelissen L, Kim J, Ortiz R, Peake RW, Kellogg M, Alexander ME, Zurakowski D, Kurgansky KE, Peyton J, Bilge A, Boretsky K, McCann ME, Berde CB, Cravero J. A Phase 1, Dose-escalation, Double-blind, Block-randomized, Controlled Trial of Safety and Efficacy of Neosaxitoxin Alone and in Combination with 0.2% Bupivacaine, with and without Epinephrine, for Cutaneous Anesthesia. Anesthesiology. 2015 Oct; 123(4):873-85.
  6. Hofferberth SC, Alexander ME, Mah DY, Bautista-Hernandez V, Del Nido PJ, Fynn-Thompson F. Impact of pacing on systemic ventricular function in L-transposition of the great arteries. J Thorac Cardiovasc Surg. 2016 Jan; 151(1):131-9.
  7. Schiller O, Dham N, Greene EA, Heath DM, Alexander ME, Berul CI. Pediatric Dilated Cardiomyopathy Patients Do Not Meet Traditional Cardiac Resynchronization Criteria. J Cardiovasc Electrophysiol. 2015 Aug; 26(8):885-9.
  8. Hammerness PG, Karampahtsis C, Babalola R, Alexander ME. Attention-deficit/hyperactivity disorder treatment: what are the long-term cardiovascular risks? Expert Opin Drug Saf. 2015 Apr; 14(4):543-51.
  9. Correa R, Sherwin ED, Kovach J, Mah DY, Alexander ME, Cecchin F, Walsh EP, Triedman JK, Abrams DJ. Mechanism and ablation of arrhythmia following total cavopulmonary connection. Circ Arrhythm Electrophysiol. 2015 Apr; 8(2):318-25.
  10. Munshi K, Alexander ME, Hammerness P. Corrected QT interval changes with atypical antipsychotics. J Am Acad Child Adolesc Psychiatry. 2015 Jan; 54(1):9-10.
  11. Show all
  12. Nuzzi LC, Pike CM, Lewine EB, Cerrato FE, Alexander ME, Ferrari LR, Bae DS, Taghinia A, Waters PM, Labow BI. Preoperative electrocardiograms for nonsyndromic children with hand syndactyly. J Hand Surg Am. 2015 Mar; 40(3):452-5.
  13. Guse SE, Neuman MI, O'Brien M, Alexander ME, Berry M, Monuteaux MC, Fine AM. Implementing a guideline to improve management of syncope in the emergency department. Pediatrics. 2014 Nov; 134(5):e1413-21.
  14. 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.
  15. Pedersen CT, Kay GN, Kalman J, Borggrefe M, Della-Bella P, Dickfeld T, Dorian P, Huikuri H, Kim YH, Knight B, Marchlinski F, Ross D, Sacher F, Sapp J, Shivkumar K, Soejima K, Tada H, Alexander ME, Triedman JK, Yamada T, Kirchhof P, Lip GY, Kuck KH, Mont L, Haines D, Indik J, Dimarco J, Exner D, Iesaka Y, Savelieva I. EHRA/HRS/APHRS expert consensus on ventricular arrhythmias. Europace. 2014 Sep; 16(9):1257-83.
  16. Pedersen CT, Kay GN, Kalman J, Borggrefe M, Della-Bella P, Dickfeld T, Dorian P, Huikuri H, Kim YH, Knight B, Marchlinski F, Ross D, Sacher F, Sapp J, Shivkumar K, Soejima K, Tada H, Alexander ME, Triedman JK, Yamada T, Kirchhof P, Lip GY, Kuck KH, Mont L, Haines D, Indik J, Dimarco J, Exner D, Iesaka Y, Savelieva I. EHRA/HRS/APHRS expert consensus on ventricular arrhythmias. Heart Rhythm. 2014 Oct; 11(10):e166-96.
  17. Khwaja OS, Ho E, Barnes KV, O'Leary HM, Pereira LM, Finkelstein Y, Nelson CA, Vogel-Farley V, DeGregorio G, Holm IA, Khatwa U, Kapur K, Alexander ME, Finnegan DM, Cantwell NG, Walco AC, Rappaport L, Gregas M, Fichorova RN, Shannon MW, Sur M, Kaufmann WE. Safety, pharmacokinetics, and preliminary assessment of efficacy of mecasermin (recombinant human IGF-1) for the treatment of Rett syndrome. Proc Natl Acad Sci U S A. 2014 Mar 25; 111(12):4596-601.
  18. Escobar-Diaz MC, Tworetzky W, Friedman K, Lafranchi T, Fynn-Thompson F, Alexander ME, Mah DY. Perinatal outcome in fetuses with heterotaxy syndrome and atrioventricular block or bradycardia. Pediatr Cardiol. 2014 Aug; 35(6):906-13.
  19. Shivapour JK, Sherwin ED, Alexander ME, Cecchin F, Mah DY, Triedman JK, Marx GR, del Nido PJ, Walsh EP. Utility of preoperative electrophysiologic studies in patients with Ebstein's anomaly undergoing the Cone procedure. Heart Rhythm. 2014 Feb; 11(2):182-6.
  20. Harrild DM, Marcus E, Hasan B, Alexander ME, Powell AJ, Geva T, McElhinney DB. Impact of transcatheter pulmonary valve replacement on biventricular strain and synchrony assessed by cardiac magnetic resonance feature tracking. Circ Cardiovasc Interv. 2013 Dec; 6(6):680-7.
  21. Miyake CY, Teele SA, Chen L, Motonaga KS, Dubin AM, Balasubramanian S, Balise RR, Rosenthal DN, Alexander ME, Walsh EP, Mah DY. In-hospital arrhythmia development and outcomes in pediatric patients with acute myocarditis. Am J Cardiol. 2014 Feb 1; 113(3):535-40.
  22. Correa R, Walsh EP, Alexander ME, Mah DY, Cecchin F, Abrams DJ, Triedman JK. Transbaffle mapping and ablation for atrial tachycardias after mustard, senning, or Fontan operations. J Am Heart Assoc. 2013 Oct; 2(5):e000325.
  23. Mah DY, Alexander ME, Banka P, Abrams DJ, Triedman JK, Walsh EP, Fynn-Thompson F, Mayer JE, Cecchin F. The role of cardiac resynchronization therapy for arterial switch operations complicated by complete heart block. Ann Thorac Surg. 2013 Sep; 96(3):904-9.
  24. Mah DY, Miyake CY, Sherwin ED, Walsh A, Anderson MJ, Western K, Abrams DJ, Alexander ME, Cecchin F, Walsh EP, Triedman JK. 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.
  25. Friedman KG, Alexander ME. Chest pain and syncope in children: a practical approach to the diagnosis of cardiac disease. J Pediatr. 2013 Sep; 163(3):896-901.e1-3.
  26. Mah DY, Sherwin ED, Alexander ME, Cecchin F, Abrams DJ, Walsh EP, Triedman JK. The electrophysiological characteristics of accessory pathways in pediatric patients with intermittent preexcitation. Pacing Clin Electrophysiol. 2013 Sep; 36(9):1117-22.
  27. Esch JJ, Triedman JK, Cecchin F, Alexander ME, Walsh EP. Radiofrequency-assisted transseptal perforation for electrophysiology procedures in children and adults with repaired congenital heart disease. Pacing Clin Electrophysiol. 2013 May; 36(5):607-11.
  28. Zachariah JP, Walsh EP, Triedman JK, Berul CI, Cecchin F, Alexander ME, Bevilacqua LM. Multiple accessory pathways in the young: the impact of structural heart disease. Am Heart J. 2013 Jan; 165(1):87-92.
  29. Eisenberg MA, Green-Hopkins I, Alexander ME, Chiang VW. Cardiac troponin T as a screening test for myocarditis in children. Pediatr Emerg Care. 2012 Nov; 28(11):1173-8.
  30. Radbill AE, Triedman JK, Berul CI, Walsh EP, Alexander ME, Webster G, Cecchin F. Prospective evaluation of defibrillation threshold and postshock rhythm in young ICD recipients. Pacing Clin Electrophysiol. 2012 Dec; 35(12):1487-93.
  31. Zachariah JP, Colan SD, Lang P, Triedman JK, Alexander ME, Walsh EP, Berul CI, Cecchin F. Circulating matrix metalloproteinases in adolescents with hypertrophic cardiomyopathy and ventricular arrhythmia. Circ Heart Fail. 2012 Jul 1; 5(4):462-6.
  32. Leslie LK, Cohen JT, Newburger JW, Alexander ME, Wong JB, Sherwin ED, Rodday AM, Parsons SK, Triedman JK. Costs and benefits of targeted screening for causes of sudden cardiac death in children and adolescents. Circulation. 2012 May 29; 125(21):2621-9.
  33. Rodday AM, Triedman JK, Alexander ME, Cohen JT, Ip S, Newburger JW, Parsons SK, Trikalinos TA, Wong JB, Leslie LK. Electrocardiogram screening for disorders that cause sudden cardiac death in asymptomatic children: a meta-analysis. Pediatrics. 2012 Apr; 129(4):e999-1010.
  34. Batra AS, Alexander ME, Silka MJ. Attention-deficit/hyperactivity disorder, stimulant therapy, and the patient with congenital heart disease: evidence and reason. Pediatr Cardiol. 2012 Mar; 33(3):394-401.
  35. Saleeb SF, Margossian R, Spencer CT, Alexander ME, Smoot LB, Dorfman AL, Bergersen L, Gauvreau K, Marx GR, Colan SD. Reproducibility of echocardiographic diagnosis of left ventricular noncompaction. J Am Soc Echocardiogr. 2012 Feb; 25(2):194-202.
  36. Miyake CY, Del Nido PJ, Alexander ME, Cecchin F, Berul CI, Triedman JK, Geva T, Walsh EP. Cardiac tumors and associated arrhythmias in pediatric patients, with observations on surgical therapy for ventricular tachycardia. J Am Coll Cardiol. 2011 Oct 25; 58(18):1903-9.
  37. Alexander ME. Exercise, stand up, flip a coin, or just say no: provocative testing in the child with borderline QTc. Circ Arrhythm Electrophysiol. 2011 Aug; 4(4):422-3.
  38. Mah D, Wang A, Wu A, Alexander ME, Walsh EP. Marked QT prolongation and ventricular tachycardia of a transient nature in young children with cardiomyopathy. Pacing Clin Electrophysiol. 2012 Aug; 35(8):e247-50.
  39. Mah DY, Alexander ME, Cecchin F, Walsh EP, Triedman JK. 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.
  40. Singh TP, Alexander ME, Gauvreau K, Curran T, Rhodes Y, Rhodes J. Recovery of oxygen consumption after maximal exercise in children. Med Sci Sports Exerc. 2011 Apr; 43(4):555-9.
  41. Fernandes SM, Alexander ME, Graham DA, Khairy P, Clair M, Rodriguez E, Pearson DD, Landzberg MJ, Rhodes J. Exercise testing identifies patients at increased risk for morbidity and mortality following Fontan surgery. Congenit Heart Dis. 2011 Jul-Aug; 6(4):294-303.
  42. Lin AE, Alexander ME, Colan SD, Kerr B, Rauen KA, Noonan J, Baffa J, Hopkins E, Sol-Church K, Limongelli G, Digilio MC, Marino B, Innes AM, Aoki Y, Silberbach M, Delrue MA, White SM, Hamilton RM, O'Connor W, Grossfeld PD, Smoot LB, Padera RF, Gripp KW. Clinical, pathological, and molecular analyses of cardiovascular abnormalities in Costello syndrome: a Ras/MAPK pathway syndrome. Am J Med Genet A. 2011 Mar; 155A(3):486-507.
  43. Miyake CY, Mah DY, Atallah J, Oikle HP, Melgar ML, Alexander ME, Berul CI, Cecchin F, Walsh EP, Triedman JK. Nonfluoroscopic imaging systems reduce radiation exposure in children undergoing ablation of supraventricular tachycardia. Heart Rhythm. 2011 Apr; 8(4):519-25.
  44. Cecchin F, Atallah J, Walsh EP, Triedman JK, Alexander ME, Berul CI. Lead extraction in pediatric and congenital heart disease patients. Circ Arrhythm Electrophysiol. 2010 Oct; 3(5):437-44.
  45. DiVasta AD, Walls CE, Feldman HA, Quach AE, Woods ER, Gordon CM, Alexander ME. Malnutrition and hemodynamic status in adolescents hospitalized for anorexia nervosa. Arch Pediatr Adolesc Med. 2010 Aug; 164(8):706-13.
  46. Triedman JK, Alexander ME. Needle in a haystack: modeling the incidence of sudden cardiac arrest in healthy children. Circulation. 2010 Mar 23; 121(11):1283-5.
  47. Radbill AE, Triedman JK, Berul CI, Fynn-Thompson F, Atallah J, Alexander ME, Walsh EP, Cecchin F. System survival of nontransvenous implantable cardioverter-defibrillators compared to transvenous implantable cardioverter-defibrillators in pediatric and congenital heart disease patients. Heart Rhythm. 2010; 7(2):193-8.
  48. Takahashi K, Cecchin F, Fortescue E, Berul CI, Alexander ME, Walsh EP, Fynn-Thompson F, Triedman JK. Permanent atrial pacing lead implant route after Fontan operation. Pacing Clin Electrophysiol. 2009 Jun; 32(6):779-85.
  49. Costello JM, Alexander ME, Greco KM, Perez-Atayde AR, Laussen PC. Lyme carditis in children: presentation, predictive factors, and clinical course. Pediatrics. 2009 May; 123(5):e835-41.
  50. Alexander ME. Orthostasis, the autonomic nervous system, and abdominal pain in children: is there a relation between postural orthostatic tachycardia and recurrent abdominal pain? J Pediatr Gastroenterol Nutr. 2008 Nov; 47(5):696-700.
  51. Leslie LK, Alexander ME, Trikalinos TA, Cohen JT, Parsons SK, Newburger JW. Reexamining the emperor's new clothes: ambiguities in current cardiac screening recommendations for youth with attention deficit hyperactivity disorder. Circ Cardiovasc Qual Outcomes. 2008 Nov; 1(2):134-7.
  52. Radbill AE, Brown DW, Lacro RV, Cecchin F, Berul CI, Triedman JK, Bevilacqua LM, Walsh EP, Alexander ME. Ascending aortic dilation in patients with congenital complete heart block. Heart Rhythm. 2008 Dec; 5(12):1704-8.
  53. Cecchin F, Frangini PA, Brown DW, Fynn-Thompson F, Alexander ME, Triedman JK, Gauvreau K, Walsh EP, Berul CI. Cardiac resynchronization therapy (and multisite pacing) in pediatrics and congenital heart disease: five years experience in a single institution. J Cardiovasc Electrophysiol. 2009 Jan; 20(1):58-65.
  54. Kipps A, Alexander M, Colan SD, Gauvreau K, Smoot L, Crawford L, Darras BT, Blume ED. The longitudinal course of cardiomyopathy in Friedreich's ataxia during childhood. Pediatr Cardiol. 2009 Apr; 30(3):306-10.
  55. Mahajan T, Berul CI, Cecchin F, Triedman JK, Alexander ME, Walsh EP. Atrioventricular nodal reentrant tachycardia with 2:1 block in pediatric patients. Heart Rhythm. 2008 Oct; 5(10):1391-5.
  56. Berul CI, Van Hare GF, Kertesz NJ, Dubin AM, Cecchin F, Collins KK, Cannon BC, Alexander ME, Triedman JK, Walsh EP, Friedman RA. Results of a multicenter retrospective implantable cardioverter-defibrillator registry of pediatric and congenital heart disease patients. J Am Coll Cardiol. 2008 Apr 29; 51(17):1685-91.
  57. Mong S, Pomeroy SL, Cecchin F, Juraszek A, Alexander ME. Cardiac risk after craniopharyngioma therapy. Pediatr Neurol. 2008 Apr; 38(4):256-60.
  58. Webster G, Jordao L, Martuscello M, Mahajan T, Alexander ME, Cecchin F, Triedman JK, Walsh EP, Berul CI. Digital music players cause interference with interrogation telemetry for pacemakers and implantable cardioverter-defibrillators without affecting device function. Heart Rhythm. 2008 Apr; 5(4):545-50.
  59. Frangini PA, Cecchin F, Jordao L, Martuscello M, Alexander ME, Triedman JK, Walsh EP, Berul CI. How revealing are insertable loop recorders in pediatrics? Pacing Clin Electrophysiol. 2008 Mar; 31(3):338-43.
  60. Webster G, Margossian R, Alexander ME, Cecchin F, Triedman JK, Walsh EP, Berul CI. Impact of transvenous ventricular pacing leads on tricuspid regurgitation in pediatric and congenital heart disease patients. J Interv Card Electrophysiol. 2008 Jan; 21(1):65-8.
  61. Alexander ME, Cecchin F, Huang KP, Berul CI. Microvolt t-wave alternans with exercise in pediatrics and congenital heart disease: limitations and predictive value. Pacing Clin Electrophysiol. 2006 Jul; 29(7):733-41.
  62. Bar-Cohen Y, Khairy P, Morwood J, Alexander ME, Cecchin F, Berul CI. Inaccuracy of Wolff-Parkinson-white accessory pathway localization algorithms in children and patients with congenital heart defects. J Cardiovasc Electrophysiol. 2006 Jul; 17(7):712-6.
  63. Bar-Cohen Y, Berul CI, Alexander ME, Fortescue EB, Walsh EP, Triedman JK, Cecchin F. Age, size, and lead factors alone do not predict venous obstruction in children and young adults with transvenous lead systems. J Cardiovasc Electrophysiol. 2006 Jul; 17(7):754-9.
  64. Seslar SP, Berul CI, Burklow TR, Cecchin F, Alexander ME. Transient prolonged corrected QT interval in Lyme disease. J Pediatr. 2006 May; 148(5):692-7.
  65. Meier PM, Alexander ME, Sethna NF, De Jong-De Vos Van Steenwijk CC, Zurakowski D, Berde CB. Complex regional pain syndromes in children and adolescents: regional and systemic signs and symptoms and hemodynamic response to tilt table testing. Clin J Pain. 2006 May; 22(4):399-406.
  66. Seslar SP, Alexander ME, Berul CI, Cecchin F, Walsh EP, Triedman JK. Ablation of nonautomatic focal atrial tachycardia in children and adults with congenital heart disease. J Cardiovasc Electrophysiol. 2006 Apr; 17(4):359-65.
  67. Bar-Cohen Y, Cecchin F, Alexander ME, Berul CI, Triedman JK, Walsh EP. Cryoablation for accessory pathways located near normal conduction tissues or within the coronary venous system in children and young adults. Heart Rhythm. 2006 Mar; 3(3):253-8.
  68. Alexander M. Entwining electrical and hypertrophic cardiomyopathies. Heart Rhythm. 2005 Dec; 2(12):1369-70.
  69. Fortescue EB, Berul CI, Cecchin F, Walsh EP, Triedman JK, Alexander ME. Comparison of modern steroid-eluting epicardial and thin transvenous pacemaker leads in pediatric and congenital heart disease patients. J Interv Card Electrophysiol. 2005 Oct; 14(1):27-36.
  70. Triedman JK, DeLucca JM, Alexander ME, Berul CI, Cecchin F, Walsh EP. Prospective trial of electroanatomically guided, irrigated catheter ablation of atrial tachycardia in patients with congenital heart disease. Heart Rhythm. 2005 Jul; 2(7):700-5.
  71. Alexander ME. Transvenous pacing in infants: a faith based initiative? Pacing Clin Electrophysiol. 2004 Nov; 27(11):1463-5.
  72. Morwood JG, Triedman JK, Berul CI, Khairy P, Alexander ME, Cecchin F, Walsh EP. Radiofrequency catheter ablation of ventricular tachycardia in children and young adults with congenital heart disease. Heart Rhythm. 2004 Sep; 1(3):301-8.
  73. DiVasta AD, Alexander ME. Fainting freshmen and sinking sophomores: cardiovascular issues of the adolescent. Curr Opin Pediatr. 2004 Aug; 16(4):350-6.
  74. Fortescue EB, Berul CI, Cecchin F, Walsh EP, Triedman JK, Alexander ME. Patient, procedural, and hardware factors associated with pacemaker lead failures in pediatrics and congenital heart disease. Heart Rhythm. 2004 Jul; 1(2):150-9.
  75. Stephenson EA, Cecchin F, Alexander ME, Triedman JK, Walsh EP, Berul CI. Relation of right ventricular pacing in tetralogy of Fallot to electrical resynchronization. Am J Cardiol. 2004 Jun 1; 93(11):1449-52, A12.
  76. Khairy P, Landzberg MJ, Gatzoulis MA, Lucron H, Lambert J, Marçon F, Alexander ME, Walsh EP. Value of programmed ventricular stimulation after tetralogy of fallot repair: a multicenter study. Circulation. 2004 Apr 27; 109(16):1994-2000.
  77. Collins KK, Rhee EK, Delucca JM, Alexander ME, Bevilacqua LM, Berul CI, Walsh EP, Mayer JE, Jonas RA, del Nido PJ, Triedman JK. Modification to the Fontan procedure for the prophylaxis of intra-atrial reentrant tachycardia: short-term results of a prospective randomized blinded trial. J Thorac Cardiovasc Surg. 2004 Mar; 127(3):721-9.
  78. Alexander ME, Cecchin F, Walsh EP, Triedman JK, Bevilacqua LM, Berul CI. Implications of implantable cardioverter defibrillator therapy in congenital heart disease and pediatrics. J Cardiovasc Electrophysiol. 2004 Jan; 15(1):72-6.
  79. Mandapati R, Berul CI, Triedman JK, Alexander ME, Walsh EP. Radiofrequency catheter ablation of septal accessory pathways in the pediatric age group. Am J Cardiol. 2003 Oct 15; 92(8):947-50.
  80. Stephenson EA, Casavant D, Tuzi J, Alexander ME, Law I, Serwer G, Strieper M, Walsh EP, Berul CI. Efficacy of atrial antitachycardia pacing using the Medtronic AT500 pacemaker in patients with congenital heart disease. Am J Cardiol. 2003 Oct 1; 92(7):871-6.
  81. Ansari M, Alexander M, Tutar A, Massie BM. Incident cases of heart failure in a community cohort: importance and outcomes of patients with preserved systolic function. Am Heart J. 2003 Jul; 146(1):115-20.
  82. Ansari M, Alexander M, Tutar A, Bello D, Massie BM. Cardiology participation improves outcomes in patients with new-onset heart failure in the outpatient setting. J Am Coll Cardiol. 2003 Jan 1; 41(1):62-8.
  83. Stephenson EA, Collins KK, Dubin AM, Epstein MR, Hamilton RM, Kertesz NJ, Alexander ME, Cecchin F, Triedman JK, Walsh EP, Berul CI. Circadian and seasonal variation of malignant arrhythmias in a pediatric and congenital heart disease population. J Cardiovasc Electrophysiol. 2002 Oct; 13(10):1009-14.
  84. Alexander M, Baker L, Clark C, McDonald KM, Rowell R, Saynina O, Hlatky MA. Management of ventricular arrhythmias in diverse populations in California. Am Heart J. 2002 Sep; 144(3):431-9.
  85. Triedman JK, Alexander ME, Love BA, Collins KK, Berul CI, Bevilacqua LM, Walsh EP. Influence of patient factors and ablative technologies on outcomes of radiofrequency ablation of intra-atrial re-entrant tachycardia in patients with congenital heart disease. J Am Coll Cardiol. 2002 Jun 5; 39(11):1827-35.
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