Alexander Postalian, MD, FSCAI

Dr. Postalian is a cardiologist at The Texas Heart Institute, acting as a member of the teaching staff for the Institute’s cardiovascular disease training programs and as an associate editor for The Texas Heart Institute Journal. Dr. Postalian specializes in coronary, peripheral vascular, and structural/valvular heart disease intervention. His specific clinical and research areas of interest include cardiovascular disease prevention – including complex lipid disorder management, state-of-the-art coronary intervention guided by intravascular imaging and flow assessment, next-day discharge transcatheter aortic valve replacement, and minimally invasive abdominal aortic aneurysm treatment. Dr. Postalian has completed board certification examinations in Cardiovascular Diseases, Interventional Cardiology, Echocardiography, Nuclear Cardiology, and Internal Medicine. He has been recognized as a Texas Superdoctors Rising Star and as a Houstonia Top Doctor.

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Dr. Postalian is a graduate of the Texas Heart Institute’s interventional and general cardiology fellowship training programs sponsored by Baylor College of Medicine. He was honored with the Tauber Award as the outstanding graduating cardiology fellow. Prior to his cardiology fellowship, Dr. Postalian completed an internal medicine residency at The McGovern Medical School, University of Texas Health Science Center at Houston. During residency training, he was honored as the Outstanding Senior Resident of the Year, Outstanding Resident of the Year, and Outstanding Intern of the Year – being the only resident to have been recognized with these three awards in the recent history of the school.

Dr. Postalian serves as Associate Editor of the Texas Heart Institute Journal and is also a reviewer for multiple other medical journals. He is an active researcher with several peer-reviewed publications, performing many abstract presentations, and frequently giving oral presentations in several national and international meetings.

Originally from Venezuela, he graduated first in his class from medical school at the Universidad Central de Venezuela in 2010, obtaining the distinction of Magna Cum Laude. He also received the Lorenzo Campins y Ballester award and the Luis Razetti Award for outstanding academic achievement and research accomplishment.

Outside of work, Dr. Postalian enjoys exercising, the beach, motorsports, playing video games, and spending time with his wife and children.

Connect with Alex on Twitter @APostalian

See Publications

Texas Heart Institute Positions

Interests

Education

  • Medical School:

    Central University of Venezuela

  • Internship:

    The University of Texas Health Science Center at Houston - McGovern Medical School

  • Residency:

    The University of Texas Health Science Center at Houston - McGovern Medical School

  • Fellowships:

    Texas Heart Institute (General Cardiology)

Academic & Clinical Affiliations

Certifications

  • American Board of Internal Medicine
  • Basic Life Support (BLS) Course
  • Advanced Cardiovascular Life Support (ACLS) Course

Honors, Awards and Memberships

Publications

4862227 849YWXRD 1 alternatives-to-animal-experimentation 10 date desc Postalian 2054 https://www.texasheart.org/wp-content/plugins/zotpress/
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Postalian, A. and Krajcer, Z. (2023). The relationship between chronic kidney disease and “complex” percutaneous coronary intervention: Uncovering the details. Catheter Cardiovasc Interv 101, 949–950. https://doi.org/10.1002/ccd.30612.
Postalian, A. (2022). The “Pro-Seal” large-bore arterial access closure technique: Making the best of what is available. Tex Heart Inst J 49, e227964. https://doi.org/10.14503/THIJ-22-7964.
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Presenting the Future of Cardiovascular Medicine: The Texas Heart Institute Fellowship Program Celebrates 2025 Cardiology Graduates

On the evening of June 6, 2025, The Texas Heart Institute at Baylor College of Medicine (THI) celebrated the accomplishments...

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The Texas Heart Institute Fellowship Program Congratulates 2024 Cardiology Graduates

On June 7, The Texas Heart Institute honored 11 graduates of its Cardiovascular Disease Fellowship and subspecialty cardiology fellowship programs....

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The Texas Heart Institute Celebrates Heart Health With The Elnita McClain Women’s Center

As a special part of American Heart Month 2024, The Texas Heart Institute celebrated with members of the Tenth Episcopal...

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