San Diego County

3020 Children's Way
MC 5004
San Diego, CA 92123




Rady Children's Specialists of San Diego

Medical Group / IPA


Medical School

Rush Medical College


New York Presbyterian Hospital


New York Presbyterian Hospital


Lucile Salter Packard Childrens Hospital -Stanford, Lucile Salter Packard Childrens Hospital -Stanford

Board Certifications

Pediatric Cardiology, Pediatrics




Dr. Heather Sun is director of the Fetal Cardiology Program at Rady Children's Hospital-San Diego and an associate clinical professor at UC San Diego School of Medicine, specializing in echocardiography and fetal cardiology.

Dr. Sun earned her Bachelor of Science in computer science at the University of Michigan, Ann Arbor, and her medical degree at Rush Medical College. Before becoming a fetal cardiology director and associate professor, she completed her pediatric residency training at the Children's Hospital of New York-Presbyterian at Columbia University, followed by a pediatric cardiology fellowship and advanced fellowship training in pediatric and fetal echocardiography at Lucile Packard Children's Hospital at Stanford University.

Outside of helping provide care for patient as a fetal cardiology director, Dr. Sun enjoys mentoring and teaching medical students, residents, fellows and sonographers as a associate professor and educator in fetal and pediatric cardiology. Her Dr. Sun’s research interests include improved prenatal diagnosis and care and management of fetal congenital heart disease.


Prenatal Diagnosis Rate of Critical Congenital Heart Disease Remains Inadequate with Significant Racial/Ethnic and Socioeconomic Disparities and Technical Barriers.
Davtyan A, Ostler H, Golding IF, Sun HY

Minute Stroke Distance Is a More Reproducible Measurement Than Cardiac Output in the Assessment of Fetal Ventricular Systolic Function.
Sun HY, Selamet Tierney ES, Tacy TA, Punn R

Fetal Diagnosis of Dextroposition, Left Pulmonary Artery Sling, Partial Anomalous Left Pulmonary Artery, and Aortic Coarctation.
Tedla B, Golding F, Ryan J, Sun HY

Prenatal diagnosis of congenital heart defects: echocardiography.
Sun HY

Effect of In Utero Non-Steroidal Anti-Inflammatory Drug Therapy for Severe Ebstein Anomaly or Tricuspid Valve Dysplasia (NSAID Therapy for Fetal Ebstein anomaly).
Freud LR, Wilkins-Haug LE, Beroukhim RS, LaFranchi T, Phoon CK, Glickstein JS, Cumbermack KM, Makhoul M, Morris SA, Sun HY, Ferrer Q, Pedra SR, Tworetzky W

Double Choker: Double Aortic Arch with Bilateral Aortic Coarctation Associated with Heterotaxy-Asplenia Syndrome and Complex Atrioventricular Canal Defect.
Dixon CM, Dyar D, Aurigemma D, Printz BF, Hegde S, Ryan J, Loo JC, Sun HY

Detailed Fetal Anatomic Ultrasound Examination: Effect of the 2014 Consensus Report on a Tertiary Referral Center.
Fratto VM, Chang A, Anton T, Sun HY, Lamale-Smith LM, Pretorius DH

Prenatal detection of critical cardiac outflow tract anomalies remains suboptimal despite revised obstetrical imaging guidelines.
Sun HY, Proudfoot JA, McCandless RT

Utility of Echocardiography as Screening for Late-onset Anthracycline-induced Cardiotoxicity in Pediatric Cancer Survivors: Observations from the First Decade After End of Therapy.
Moke DJ, Schubert LE, Sun HY, Printz BF, Dietz AC

Collateral Deception: A Unique Presentation of an Anomalous Coronary Artery.
Aljohani OA, Sah SP, Murthy RA, Lamberti JJ, Printz BF, Sun HY

Peripheral Endothelial Function After Arterial Switch Operation for D-looped Transposition of the Great Arteries.
Sun HY, Stauffer KJ, Nourse SE, Vu C, Selamet Tierney ES

Double trouble: fetal diagnosis of a pulmonary artery sling and vascular ring.
Lee JW, Printz BF, Hegde SR, Vargas LA, Sun HY

Unusual consequence of a fetal atrial septal aneurysm.
Sun HY, Fripp RR, Printz BF

Fetal MRI correlates with postnatal CT angiogram assessment of pulmonary anatomy in tetralogy of Fallot with absent pulmonary valve.
Sun HY, Boe J, Rubesova E, Barth RA, Tacy TA

Coronary sinus obstruction after atrioventricular canal defect repair.
Peng DM, Sun HY, Hanley FL, Olson I, Punn R

Transcatheter device closure of a congenital aortic-left atrial tunnel.
Sun HY, Buccola KJ, Punn R, Silverman NH, Peng LF, Perry SB, Balasubramanian S

Decremental left ventricular deformation after pulmonary artery band training and subsequent repair in ventriculoarterial discordance.
Sun HY, Behzadian F, Punn R, Tacy TA

Pediatric plastic bronchitis: case report and retrospective comparative analysis of epidemiology and pathology.
Kunder R, Kunder C, Sun HY, Berry G, Messner A, Frankovich J, Roth S, Mark J

Myocardial deformation in the fetal single ventricle.
Truong UT, Sun HY, Tacy TA

Outcomes of children following a first hospitalization for dilated cardiomyopathy.
Hollander SA, Bernstein D, Yeh J, Dao D, Sun HY, Rosenthal D

See the full listing of this physician's publications on PubMed, a service of the National Library of Medicine.

PubMed is a third-party website and not affiliated with Rady Children's Hospital-San Diego.

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