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William A. Scott, M.D. M.S. is Professor of Pediatrics at UT Southwestern Medical Center, and Director of Service Line Development at Children's Medical Center, Dallas. He is a graduate of the University of Notre Dame and Indiana University School of Medicine. His post graduate training included an internship, residency, and chief residency in pediatrics at Indiana University/James Whitcomb Riley Hospital for Children and a pediatric cardiology fellowship at the University of Michigan/C.S. Mott Children's Hospital. He also has a Master’s Degree from the School of Public Health at the University of Michigan. He is a Fellow of the American Academy of Pediatrics, the American College of Cardiology and the Heart Rhythm Society.

Dr. Scott's specific area of expertise is cardiac electrophysiology (arrhythmias) and he has a special interest in prevention of sudden cardiac death. He established a comprehensive program for the management of children with arrhythmias upon his arrival in 1990 and directed that program up to 2015.

Dr. Scott’s research interests are directed at advancing non-invasive technology to diagnose and manage children with congenital and acquired heart disease. He has authored many peer reviewed publications and book chapters. He helped oversee a collaborative grant from the State of Texas to evaluate the feasibility of screening school age children for unrecognized heart disease.


Medical School
Indiana University School of Medicine (1982)
James Whitcomb Riley Hospital for Children (1983), Pediatrics
James Whitcomb Riley Hospital for Children (1984), Pediatrics
Chief Resident
James Whitcomb Riley Hospital for Children (1985), Pediatrics
C.S. Mott Children's Hospital - Pediatric Genetics (1987), Pediatric Cardiology
Research Fellowship
C.S. Mott Children's Hospital - Pediatric Genetics (1988), Pediatric Cardiology

Research Interest

  • Arrhythmia
  • Cardiac involvement in neuromuscular disease
  • Heart rate variability
  • Noninvasive monitoring
  • Pacemaker


Featured Publications LegendFeatured Publications

Relation of right ventricular pacing site to left ventricular mechanical synchrony.
Verma AJ, Lemler MS, Zeltser IJ, Scott WA Am. J. Cardiol. 2010 Sep 106 6 806-9
Aspirin resistance in children with heart disease at risk for thromboembolism: prevalence and possible mechanisms.
Heistein LC, Scott WA, Zellers TM, Fixler DE, Ramaciotti C, Journeycake JM, Lemler MS Pediatr Cardiol 2008 Mar 29 2 285-91
Left ventricular function and response to enalapril in patients with duchenne muscular dystrophy during the second decade of life.
Ramaciotti C, Heistein LC, Coursey M, Lemler MS, Eapen RS, Iannaccone ST, Scott WA Am. J. Cardiol. 2006 Sep 98 6 825-7
The extracardiac lateral tunnel Fontan, constructed with bovine pericardium: comparison with the extracardiac conduit Fontan.
Lemler MS, Ramaciotti C, Stromberg D, Scott WA, Leonard SR Am. Heart J. 2006 Apr 151 4 928-33
Chloral hydrate sedation for pediatric echocardiography: physiologic responses, adverse events, and risk factors.
Heistein LC, Ramaciotti C, Scott WA, Coursey M, Sheeran PW, Lemler MS Pediatrics 2006 Mar 117 3 e434-41
Fresh whole blood versus reconstituted blood for pump priming in heart surgery in infants.
Mou SS, Giroir BP, Molitor-Kirsch EA, Leonard SR, Nikaidoh H, Nizzi F, Town DA, Roy LC, Scott W, Stromberg D N. Engl. J. Med. 2004 Oct 351 16 1635-44
Echocardiographic characteristics of perimembranous ventricular septal defects associated with aortic regurgitation.
Eapen RS, Lemler MS, Scott WA, Ramaciotti C J Am Soc Echocardiogr 2003 Mar 16 3 209-13
Sedation for pediatric echocardiography: evaluation of preprocedure fasting guidelines.
Ghaffar S, Haverland C, Ramaciotti C, Scott WA, Lemler MS J Am Soc Echocardiogr 2002 Sep 15 9 980-3
Assessment of cardiac function in adolescents with Duchenne muscular dystrophy: importance of neurohormones.
Ramaciotti C, Scott WA, Lemler MS, Haverland C, Iannaccone ST J. Child Neurol. 2002 Mar 17 3 191-4
Fenestration improves clinical outcome of the fontan procedure: a prospective, randomized study.
Lemler MS, Scott WA, Leonard SR, Stromberg D, Ramaciotti C Circulation 2002 Jan 105 2 207-12


Featured Books Legend Featured Books

Honors & Awards

  • Best Pediatric Specialists/Doctors in Dallas
    D Magazine (2010-2016) (2018)
  • America's Top Pediatricians
    Consumer Research Council (2010-2018)
  • Texas Super Doctors
    Texas Monthly (2008-2018)
  • America's Top Cardiologists
    Consumer Research Council (2006-2018)
  • Best Doctors
    Best Doctors, Inc. (1996-2018)
  • Subspecialty Award in Health Care Research
    WFCR (1990)
  • Vernon and Virginia Furrow Award for Innovation in Medical Education

Professional Associations/Affiliations

  • Dr. Tom Dooley Society (2007-2019)
  • Dallas County Medical Society (2005-2019)
  • Texas Pediatric Society (1998-2019)
  • Dallas County Pediatric Society (1995-2019)
  • Heart Rhythm Society, Fellow (1995-2019)
  • American College of Cardiology, Fellow (1990-2019)
  • Member, American Heart Association - Council on Cardiovascular Disease in the Young (1990-2019)
  • Pediatric and Congenital Electrophysiology Society (1990-2019)
  • American Academy of Pediatrics, Fellow (1989-2019)