$$ Lynn Mahony, MD Professor at UT Southwestern Medical Center


UTSW Physician Practicing at Children's Health

Board Certification American Board of Pediatrics/Pediatric Cardiology
Languages Spoken: English,


Lynn Mahony, M.D., is a cardiologist at Children’s Health℠ and a professor of pediatrics at UT Southwestern Medical Center.

After earning her undergraduate degree at the Massachusetts Institute of Technology and her medical degree at Stanford University, Dr. Mahony completed a cardiology fellowship at the Cardiovascular Research Institute at the University of California, San Francisco.

Dr. Mahony’s clinical interests include multicenter trails in pediatric cardiology, Marfan syndrome, cardiovascular evaluation of student athletes and treatment of myocardial dysfunction.

For the past 15 years, Dr. Mahony has chaired the Pediatric Heart Network, a NIH-funded collaborative that conducts research leading to evidence-based treatment options for pediatric patients with congenital and acquired heart disease.  Her specific research interests include connective tissue disorders associated with aortic dilation, such as Marfan syndrome, congestive heart failure, single ventricle patients, clinical trials and quality of life in pediatric patients with heart disease.  

Education and Training

Education and Training

Medical School

Stanford University School of Medicine (1975)


Stanford University Hospitals & Clinics (1978), Pediatrics


University of CA at San Francisco School of Med (1981), Pediatric Cardiology
Conditions & Treatments

Conditions & Treatments


Aortic Aneurysm
Aortic Dissection
Beals Syndrome
Bicuspid Aortic Valve
Congenital Contractual Arachnodactyly
Connective Tissue Disorders
Dilated Aorta
Ectopia Lentis Syndrome
Familial Aortic Aneurysm
Loeys-Dietz Syndrome
MASS Phenotype
Shprintzen-Goldberg Syndrome

Research & Publications

Research & Publications

Research Interests

  • Congestive heart failure
  • Kawasaki disease
  • Marfan syndrome
  • Quality of life in pediatric patients with heart disease

Selected Publications

Professional Activities

Professional Activities

Professional Associations and Affiliations

  • Dallas County Medical Society (1985-2011)
  • Texas Medical Association (1985-2011)
  • American Academy of Pediatrics (1982-2011)
  • Fellow, American Heart Association (1980-2011)

Awards & Honors

Awards & Honors

  • Protocol Chair - Pediatric Heart Disease Clinical Research Network (NIH) (2011)
  • US News and World Report - Top US Doctor (2011)
  • Core Clerkship Teaching Award - Medical Student Teaching (2009)
  • William J. Rashkind Memorial Lecturer - Cardiology 2009 Meeting, sponsored by the Children?s Hospital of Philadelphia (2009)
  • Meritorious Achievement Award - American Heart Association (2007)
  • Editorial Board, Circulation (2004)
  • Chair - Pediatric Heart Disease Clinical Research Network (NIH) (2001)
  • Walter M. Kirkendall, MD, American Heart Association - Scientist/Educator Volunteer of the Year (1995)