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Thomas A Traill, B.M. B.Ch.

Thomas A Traill, B.M. B.Ch.

Headshot of Thomas A Traill
  • Director, the E. Cowles Andrus Cardiac Clinic
  • Professor of Medicine


Cardiology, Cardiomyopathy, Cardiovascular Disease, Clinical Cardiology, Congenital Heart Disease - Young Adult, General Cardiology, Heart Failure, Inherited Heart Diseases more

Research Interests

Cardiomyopathy; Valvular Heart Disease; Aortic disease; Marfan syndrome; Echocardiography more

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Outside of Maryland & Washington D.C.

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Johns Hopkins Outpatient Center

Appointment Phone: 443-997-0270
601 N. Caroline St.
Baltimore, MD 21287 map
Phone: 410-614-3140 | Fax: 410-367-2654


Dr. Thomas Traill is director of the E. Cowles Andrus Cardiac Clinic at the Johns Hopkins Hospital. He is an expert in heart failure, heart valve disease, and inherited conditions that affect the heart such as Marfan syndrome. A professor of medicine at the Johns Hopkins School of Medicine, Dr. Traill is also the associate director of the Osler Medical Housestaff Training Program for residents.

Dr. Traill attended St. George’s Hospital Medical School in London, and took his medical degree at Oxford University.  He pursued residencies in general medicine, cardiology and nephrology at Brompton Hospital, Guy’s Hospital, Royal Free Hampstead NHS Trust in London and the Nuffield Department of Medicine in Oxford. He completed a fellowship in pediatric cardiology at Brompton Hospital and then became a British-American research fellow in the Johns Hopkins Departments of Medicine and Pediatrics before joining the faculty.

Dr. Traill researches structural and inherited heart diseases such as congenital  heart disease, cardiomyopathy and valvular heart disease. He is a peer reviewer for seven medical journals, including British Heart Journal and Circulation. He has authored over 100 journal articles and book chapters and has given scores of invited lectures.

Dr. Traill co-authored and edited the 23rd edition of Principles and Practice of Medicine, the 1996 update to Sir William Osler’s classic and still-popular medical education textbook, originally published in 1893. more


  • Director, the E. Cowles Andrus Cardiac Clinic
  • Former Associate Director, Osler Medical Housestaff Program
  • Professor of Medicine

Departments / Divisions

Centers & Institutes



  • MBBS; St George's Hospital Medical School (1971)


  • Cardiology; Brompton Hospital (1972)
  • Brompton Hospital (1977)
  • Nephrology; Guy's Hospital (1973)
  • Nuffield Department of Medicine (1974)
  • General Practice; Royal Free Hampstead NHS Trust (1975)


  • Pediatric Cardiology; Brompton Hospital (1978)

Board Certifications

  • Royal College of Physicians (1974)

Research & Publications

Selected Publications

Christian D. Nagy; Diane E. Alejo; Mary C. Corretti; William J. Ravekes; Jane E. Crosson; Philip J. Spevak; Richard Ringel; Kathryn A. Carson; Sara Khalil; Harry C. Dietz; et al. Tetralogy of fallot and aortic root dilation: A long-term outlook. Pediatric Cardiology. 2013;34(4):809-816.

Thomas A. Traill. Valvular Heart Disease and Pregnancy. Cardiology Clinics. 2012;30(3):369-381.

Kerunne S. Ketlogetswe; Joseph Aoki; Thomas A. Traill; Oscar H. Cingolani. Severe aortic regurgitation secondary to antisynthetase syndrome. Circulation. 2011;124(3):e40-e41.

Baligh R. Yehia; Justin M. Bachmann; Thomas A. Traill. Scimitar syndrome: A rare cause of dyspnea in adults. Southern Medical Journal. 2010;103(6):578-580.

Craig T. Basson; David R. Bachinsky; Robert C. Lin; Tatjana Levi; Jacob A. Elkins; Johann Soults; David Grayzel; Elena Kroumpouzou; Thomas A. Traill; Janine Leblanc-Straceski; et al. Mutations in human cause limb and cardiac malformation in Holt-Oram syndrome. Nature Genetics. 1997;15(1):30-35.

Craig T. Basson; Glenn S. Cowley; Scott D. Solomon; Barbara Weissman; Andrew K. Poznanski; Thomas A. Traill; J.G. Seidman; Christine E. Seidman. The clinical and genetic spectrum of the Holt-Oram syndrome (heart-hand syndrome). New England Journal of Medicine. 1994;330(13):885-891.

Academic Affiliations & Courses

Graduate Program Affiliation

Johns Hopkins University School of Medicine

Courses and Syllabi

  • Anatomy course
  • Physiology course
  • Pathophysiology course
  • Clinical skills course
  • Advanced clinical skills course
  • Pathobiology course
  • Rational therapeutics course
  • Cardiology fellows orientation course
  • CASE II rotation for medical residents

Activities & Honors


  • Professors’ award for teaching excellence. , Johns Hopkins University, 2007
  • Nicholas J. Fortuin Award, 2003
  • Chairman’s award for teaching, Department of Medicine, 2000
  • Alpha Omega Alpha, 1997
  • Helen B. Taussig Award , American Heart Association, 1994
  • Fellow of the Royal College of Physicians, FRCP, 1992
  • George J. Stuart Award, 1986
  • British-American Fellow, British Heart Foundation, 1976


  • American Heart Association
  • International Society for Heart Transplantation

Videos & Media

Lectures and Presentations

  • Valvular Heart Disease and Pregnancy
    Valve and aortic technology symposium. , London (01/30/2014)
    St Georges Hospital trust and Royal Society of Medicine
  • Grand Rounds
    Baltimore (01/01/2014)
    Sinai Hospital
  • Heart Disease in Pregnancy
    York (01/02/2010)
    York Hospital
  • Invited faculty
    6th International Congress of Iranian Society of Cardiac Surgeons, Tehran (01/27/2009)
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