William John Ravekes, M.D.

Headshot of William John Ravekes
  • Medical Director, Pediatric Heart Transplant and Mechanical Circulatory Support
  • Associate Professor of Pediatrics


Cardiology, Congenital Heart Disease, Fetal Cardiology, Fetal Echocardiography, Heart Failure, Pediatric Cardiology, Pediatric Heart Transplant ...read more

Research Interests

Heart failure and transplantation; medical education; fetal echocardiography; 3-D fetal echo; Perioperative and intensive care of the fetus, infant, child and adult with congenital heart disease ...read more

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Main Phone

Outside of Maryland & Washington D.C.

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The Johns Hopkins Hospital (Main Entrance)

Appointment Phone: 443-997-5437
1800 Orleans St.
The Charlotte R. Bloomberg Children's Center Building, Pediatric Cardiology, M2201
Baltimore, MD 21287
The Johns Hopkins Hospital (Main Entrance) - Google Maps

Greater Baltimore Medical Center

6701 N Charles Street
Physicians East Pavilion
Towson, MD 21204
Greater Baltimore Medical Center - Google Maps

Johns Hopkins Children's Center Pediatric Specialists

Appointment Phone: 443-222-0485
820 Best Gate Road
Suite 2D
Annapolis, MD 21401
Phone: 443-222-0485
Johns Hopkins Children's Center Pediatric Specialists - Google Maps


Dr. William J. Ravekes is an associate professor of pediatrics at the Johns Hopkins University School of Medicine. A pediatric cardiologist, Dr. Ravekes serves as medical director of the Pediatric Heart Transplant and Mechanical Circulatory Support Program as well as pediatric cardiology fellowship director. He also specializes in non-invasive imaging, fetal echocardiography and the perioperative and intensive care of fetuses, infants, children and adults with congenital heart disease.

Dr. Ravekes earned his medical degree at the George Washington University School of Medicine. He completed a pediatrics residency and chief residency at Lucile Salter Packard Children's Hospital at Stanford and a fellowship in pediatric cardiology at Boston Children’s Hospital. He served on the faculty of Texas Children’s Hospital prior to joining Johns Hopkins.

His research interests include echocardiographic assessment of cardiac function, aortopathies, heart failure and transplantation, and medical education. He has published more than 90 scholarly articles.

...read more


  • Medical Director, Pediatric Heart Transplant and Mechanical Circulatory Support
  • Director, Pediatric Cardiology Fellowship
  • Associate Professor of Pediatrics

Departments / Divisions

Centers & Institutes



  • MD; The George Washington University School of Medicine (1992)


  • Pediatrics; Stanford University Medical Center (1996)


  • Pediatric Cardiology; Boston Children's Hospital (1999)

Board Certifications

  • American Board of Pediatrics (Pediatric Cardiology) (2000)

Research & Publications

Clinical Trials

Allogeneic hMSC Injection in Patients with Hypoplastic Left Heart Syndrome (ELPIS)

Selected Publications

View all on PubMed

Koestenberger M, Nage B, Ravekes W, Avian A, Burmas A, Grangl G, Cvirn G, Gamillscheg A. “Right Ventricular Outflow Tract Velocity Time Integral Determination in 570 Healthy Children and in 52 Pediatric Atrial Septal Defect Patients.” Pediatr Cardiol. 2015 Mar 6. [Epub ahead of print]

Koestenberger M, Pansy J, Ravekes W. “Isovolumic acceleration measurement at the lateral tricuspid annulus: a promising parameter in pediatric right heart function determination.” Echocardiography. 2015 Mar;32(3):610. doi: 10.1111/echo.12818. No abstract available.

Lacro RV, Dietz HC, Sleeper LA, Yetman AT, Bradley TJ, Colan SD, Pearson GD, Selamet Tierney ES, Levine JC, Atz AM, Benson DW, Braverman AC, Chen S, De Backer J, Gelb BD, Grossfeld PD, Klein GL, Lai WW, Liou A, Loeys BL, Markham LW, Olson AK, Paridon SM, Pemberton VL, Pierpont ME, Pyeritz RE, Radojewski E, Roman MJ, Sharkey AM, Stylianou MP, Wechsler SB, Young LT, Mahony L; Pediatric Heart Network Investigators. “Atenolol versus losartan in children and young adults with Marfan's syndrome.” N Engl J Med. 2014 Nov 27;371(22):2061-71. doi: 10.1056/NEJMoa1404731. Epub 2014 Nov 18.

Koestenberger M, Nagel B, Ravekes W, Avian A, Cvirn G, Rehak T, Gamillscheg A. “Reference values of the mitral annular peak systolic velocity (Sm) in 690 healthy pediatric patients, calculation of Z-score values, and comparison to the mitral annular Plane systolic excursion (MAPSE).” Echocardiography. 2014 Oct;31(9):1122-30. doi: 10.1111/echo.12541. Epub 2014 Feb 7.

Koestenberger M, Nagel B, Ravekes W, Avian A, Burmas A, Grangl G, Cvirn G, Gamillscheg A. “Reference values and calculation of z-scores of echocardiographic measurements of the normal pediatric right ventricle.” Am J Cardiol. 2014 Nov 15;114(10):1590-8. doi: 10.1016/j.amjcard.2014.08.028. Epub 2014 Aug 27.

Contact for Research Inquiries

1800 Orleans Street
M2314 Bloomberg Children's Center
Baltimore, MD 21287 map

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