Alex Davidson, MD, FACC

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Alex Davidson, MD, FACC, is an attending cardiologist in the Cardiac Center at Children's Hospital of Philadelphia with expertise in adult congenital heart disease and pulmonary hypertension.

Areas of Expertise: Adult congenital heart disease, Pulmonary hypertension
Locations: Specialty Care, Abington; Main Hospital

Phone: 215-590-4040


Dr. Davidson also sees patients at Lankenau Medical Center in Wynnewood, PA.

Education and Training

Medical School

MD - Universite Catholique de Louvain, Brussels, Belgium


Pediatrics - Clinique Universitaires Saint Luc, Universite Catholique de Louvain, Brussels, Belgium


Pediatrics - Saint Louis Children's Hospital, Washington University, Saint Louis, MO


Pediatric Cardiology - The Children's Hospital, Boston, Harvard University, Boston, MA

Board Certification

Pediatric Cardiology – American Board of Pediatrics
Pediatrics – American Board of Pediatrics

Titles and Academic Titles

Attending Cardiologist

Professor of Pediatrics and Medicine, Perelman School of Medicine at the University of Pennsylvania

Departments and Services




Chowdhury Devyani, Gurvitz Michelle, Marelli Ariane, Anderson Jeffrey, Davidson Alex, et al. Development of Quality Metrics in Ambulatory Pediatric Cardiology. Journal of the American College of Cardiology 69(5): 541-555, February 2017.


Grando-Ting J, Davidson A.: Anomalous left Coronary Artery from the Pulmonary Artery (A 6-week-old male presents for evaluation of a murmur). June 2007 Notes: Cardiosource; American College of Cardiology.


Grando-Ting J, Davidson A.: CT/MRI of the Month: 50-Year-Old Female with Dyspnea and Abnormal Chest X-Ray. Oct 2006 Notes: Cardiosource; American College of Cardiology.

Kramer H, Davidson A.: CT/MRI of the Month: 18-Year-Old Female With a Bicuspid Aortic Valve and Anomalous Coronary Artery. March 2006 Notes: Cardiosource; American College of Cardiology.

Grando-Ting J, Davidson A.: Use of Cardiac MR in Adult Congenital Heart Disease. Feb 2006 Notes: Cardiosource; American College of Cardiology.

Davidson A, Whiteman V, Gaynor JW.: Fetal cardiac Diverticulum. Circulation. 31(113(4)): e56, Jan 2006.


Davidson A, Karl T.: Major coronary artery anomalies in the pediatric population (letter). J Am Coll Cardiol. 38(4): 1270, 2001.

Patel K, Davidson A, Karl T.: Anomalous left coronary artery arising from the right coronary cusp. Annals of Thoracic Surgery. 71: 2045, 2001.


Davidson A, Heckman JL, Donner RM, Miller TF, Shaffer TH, Wolfson MR.: Cardiopulmonary interaction during partial liquid ventilation in surfactant-treat ted preterm lambs. Eur J Pediatr. 157: 138-145, 1998.


Davidson A, Khandelwal M, Punett HH.: Prenatal Diagnosis of the 22q11 Deletion Syndrome. Prenatal Diagnosis. 17(4): 380-383, 1997.


Davidson A, Marks LA.: Shots and Shunts. Pediatric Cardiology. 17: 132-133, 1996.


Abdallah H, Toomey K, O'Riordan AC, Davidson A, Marks LA.: Familial Occurrence of Discrete Subaortic Membrane. Pediatric Cardiology. 15: 198-200, 1994.


Davidson A, Anisman PC, Eshaghpour E.: Heart failure secondary to hypomagnesemia in anorexia nervosa. Pediatric Cardiology. 13(4): 241-2, 1992.


Davidson A, Eshaghpour E, Young N, Mintz GS.: Late thrombosis of a corony artery mycotic aneurysm. Am Heart J. 121(5): 1549-50, 1991.


Davidson A, Chandrasekaran K, Guida L, Holsclaw DS.: Atrial shunting enhances hypoxemia in cystic fibrosis. Chest. 98: 543-5, 1990.

Davidson A, Krull F, Kallfelz HC.: Cardiomegaly-What does it mean? A comparison of echocardiographic to radiological cardiac dimensions in children. Pediatric Cardiology. 11: 181-5, 1990.


Davidson A, Bossuyt A, Dab I.: Acute effects of Oxygen, Nifedipine and Diltiazem in cystic fibrosis patients with mild pulmonary hypertension. Pediatric Pulmonology. 6: 53-9, 1989.

Davidson A, Luhmer I, Kallfelz HC.: Aortic arch thrombosis in the neonate. Journal of Thoracic and Cardiovascular Surgery. 97: 152-3, 1989.

Davidson A, Luhmer I, Kallfelz HC.: Right-sided heart with mirror image atrial enlargement, complete transposition, ventricular septal defect and subpulmonary stenosis. International Journal of Cardiology. 22(2): 264-7, 1989.

Davidson A, Luhmer I, Paul TH, Wilken M, Kallfelz HC.: Echocardiographic diagnosis of total anomalous pulmonary venous drainage (TAPVD) in newborns. Klinische Padiatrie. 201: 130-132, 1989.



O'Bryne ML, Faerber JA, Katcoff H, Frank DB, Davidson A, Giglia TM, Avitabile CM: Variation in the use of pulmonary vasodilators in children and adolescents with pulmonary hypertension. American Heart Association November 2019.

Awards and Honors

2005-2006, Outstanding Teacher Award in Cardiovascular Medicine, Lankenau Hospital and Medical Center
2003, Teacher of the Year Award, Cardiology, Temply University Hospital
2000, Faculty Teacher Appreciation Award from the Department of Pediatrics, Albert Einstein Hospital and Medical Center
1997-1999, Co-Investigator, American Heart Association Grant-in-Aid #97514E (Principal investigator: Marla R. Wolfson, PhD): "Cardiovascular Function during Perfluorochemical Liquid Ventilation".
1980, Cum Laude-Universite Catholique de Louvain

Editorial and Academic Positions

Editorial Positions

2015-present, Editorial Board, Cardiology
2015-present, Reviewer, Pediatric Cardiology
1995-present, Reviewer, Chest
1995-present, Reviewer, Journal of Pediatrics

Leadership and Memberships

Memberships in Professional Organizations

American Academy of Pediatrics, Fellow
American College of Cardiology, Fellow
American College of Chest Physicians, Fellow
Society of Pediatric Echocardiography