Robert W. Loar, MD

Department or Service


  • Texas Medical Center



Phone: 832-824-3278

Contact Information

Texas Children's Hospital
6651 Main Street, Legacy Tower, 21st Floor
Houston, TX 77030
United States

Assistant Professor, Pediatric Cardiology

Baylor College of Medicine


School Education Degree Year
University of Texas Health Science Center at San Antonio medical school Doctor of Medicine 2011
Mayo Clinic residency Pediatrics 2014
Baylor College of Medicine fellowship Pediatric Cardiology 2017
Baylor College of Medicine fellowship Advanced Cardiac Imaging 2018


Clinical Interests:

Fetal Echocardiography, Cardiac MRI, Transesophageal Echocardiography, General Cardiology

Research Interests:

Non-Invasive Functional Imaging in Cardio-Oncology, Cardiomyopathies, Single Ventricles, Heart Transplantation


Organization Name Role
American Academy of Pediatrics Fellow
American Society of Echocardiography Member

Selected Publications

Colquitt JL, Loar RW, Morris SA, Feagin DK, Sami S, Pignatelli RH. "Serial Strain Analysis Identifies Hypoplastic Left Heart Syndrome Infants at Risk for Cardiac Morbidity and Mortality: A Pilot Study." J Am Soc Echocardiogr 2019 May;32(5):643-650. Pubmed PMID: 30803862

Loar RW, Noel CV, Colquitt JL, Tunuguntla H, Pignatelli RH. "State of the art review: Chemotherapy‐induced cardiotoxicity in children." 2017 December 10.

Loar RW, Denfield SW, Morris SA, Tunuguntla H, Cabrera AG, Price JF, Zhang W, Hosek K, Kim JJ, Dreyer WJ, Jeewa A. "Fatal cardiac arrest in pediatric heart transplant recipients: Query of the UNOS database." Pediatr Transplant 2018 February;22(1) Pubmed PMID: 29226563.