Reynolds Delgado III, MD

Dr. Reynolds M. Delgado, III, is a cardiologist specializing in heart failure and heart transplantation at Baylor St. Luke's Medical Center/Texas Heart Institute. He has been a Basic Science Researcher in Heart Failure at the Texas Heart Institute, Baylor College of Medicine, and The University of Texas Houston Medical School since 1997, and has held the position of Medical Director of Mechanical Support Devices in Heart Failure at the Texas Heart Institute since 2003. His academic appointments include clinical assistant professor of medicine at Baylor College of Medicine and UT Health Science Center, Houston. He participates on numerous advisory boards, Including Thoratec Corporation, Medtronic Corporation, and Boston Scientific Corporation, and has been on the Medical Education Committee at Texas Heart Institute since 2004. He is also a long-standing research collaborator with NASA Johnson Space Center Human Space Flight Physiology Laboratory. Show full bio

Dr. Delgado earned a Bachelor of Arts from the University of Austin in 1987, and a medical degree from the University of Texas Southwestern Medical School in Dallas in 1991. He completed a residency in internal medicine at The University of Texas Southwestern Medical School, and a fellowship in cardiology at the University of Texas Houston Health Science Center. Included in that fellowship program was a 15-month fellowship in heart failure and clinical cardiac transplantation at the Texas Heart Institute.

He created the heart failure clinic program at Baylor St. Luke’s Medical Center, and is on the Transplant Medical Review Board there. As a result of his extensive experience in the heart failure and transplant arenas, he was one of the 4 physicians worldwide asked to develop the Guidelines for the Care of Heart Transplant Recipients by the International Society for Heart and Lung Transplantation. He also authored Mechanical Circulatory Support in Patients with Heart Failure, Included in the definitive textbook, Health Failure: A Companion to Braunwald’s Heart Disease.

Dr. Delgado has authored or co-authored numerous articles for major scientific journals, including the New England Journal of Medicine, Journal of Heart and Lung Transplantation, Congestive Heart Failure, and Circulation, the premier journal of American Heart Association. He currently serves or has served on the editorial boards of Circulation, the  Texas Institute Journal, and the Journal of Heart and Lung Transplantation. He lectures extensively, including Mexico, Canada, Greece, France, Serbia, Slovenia and Argentina

See Publications

Texas Heart Institute Positions

  • Medical Director Mechanical Assist Devices in Heart Failure, THI Leadership
  • Teaching Staff, Cardiovascular Disease Fellowship
  • Teaching Staff, Advanced Heart Failure and Transplant Cardiology Fellowship
  • Editorial Board, Texas Heart Institute Journal


  • Cardiology
  • Heart Failure


  • Undergraduate:

    University of Texas (Biology)

  • Medical School:

    University of Texas Southwestern Medical School

  • Residency:

    University of Texas Southwestern - Parkland Health & Hospital System

  • Fellowships:

    University of Texas Health Science Center - Houston
    Texas Heart Institute, Heart Failure and Cardiac Transplantation

Academic & Clinical Affiliations

  • Baylor College of Medicine
  • Baylor St. Luke's Medical Center


  • American Board of Internal Medicine
  • Advanced Heart Failure/Transplant Cardiology