Dr. Nicholas Pietris

Hasan Abdallah is a Pediatric Cardiologist in Leesburg, Virginia. Dr. Abdallah is rated as an Advanced provider by MediFind in the treatment of Ehlers-Danlos Syndrome (EDS). His top areas of expertise are Orthostatic Hypotension, Low Blood Pressure, Median Arcuate Ligament Syndrome (MALS), and Vasoconstriction.

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. Dr. Ravekes is rated as an Experienced provider by MediFind in the treatment of Ehlers-Danlos Syndrome (EDS). His top areas of expertise are Vascular Ehlers-Danlos Syndrome (VEDS), Pediatric Myocarditis, Ehlers-Danlos Syndrome (EDS), and Pulmonary Hypertension.

Russell Cross is a Pediatric Cardiologist in Washington, Washington, D.c.. Dr. Cross is rated as an Advanced provider by MediFind in the treatment of Ehlers-Danlos Syndrome (EDS). His top areas of expertise are Heart Murmurs, Orthostatic Hypotension, Familial Dysautonomia, and Ebstein's Anomaly.