Juan Carlos Muniz, MD

A clinician identified with a Nicklaus Children’s Pediatric Specialists logo is an affiliate of Nicklaus Children's Health System. All other clinicians listed on the website are in independent medical practices.


Video Profile

Director, Cardiac Non-Invasive Imaging

Dr. Muñiz is the director of Cardiac Non-Invasive Imaging within The Heart Institute at Nicklaus Children’s Hospital. He earned his medical degree from Georgetown University in Washington, D.C. Dr. Muñiz completed a residency in pediatrics at the Boston Combined Program for Pediatrics at Boston Children's Hospital and Boston Medical Center in Massachusetts. He then pursued fellowships in pediatric cardiology and non-invasive cardiac imaging at Boston Children’s Hospital. His clinical interests include multimodality imaging of complex congenital heart disease and 3D modeling of complex anatomical lesions.

Dr. Muñiz is board certified in pediatric cardiology. He has published peer-reviewed articles and textbook chapters, as well as lectured both nationally and internationally.

Dr. Muñiz is employed by Nicklaus Children’s Pediatric Specialists, the multispecialty group practice of Nicklaus Children’s Health System. He sees patients at Nicklaus Children’s Hospital and is bilingual in English and Spanish.

The Heart Institute LogoThe Heart Institute at Nicklaus Children’s, a world leader in pediatric cardiology and cardiovascular surgery for the care of children with congenital heart disease, serves as a beacon to families confronting the reality of a child or newborn with a heart defect. The Heart Institute offers the most innovative and least invasive approaches to the treatment of congenital heart disease, including many first-in-the-world procedures that were pioneered right here by The Heart Institute’s own internationally renowned cardiologists and cardiovascular surgeons.

Truong, D.T., Dione, A., Muniz, J.C., et al. (2022). Clinically Suspected Myocarditis Temporally Related to COVID-19 Vaccination in Adolescents and Young Adults: Suspected Myocarditis After COVID-19 Vaccination. Circulation, 145(5), 345-356. View in Pubmed

Gill, K., Lopez, L., ..., Muniz, J.C., et al (2022). Leftward and Posterior Deviation of the Septum Primum Predicts Morbidity in Patients with Hypoplastic Left Heart Syndrome. Pediatric Cardiology, 43(6), 1365-1372. View in Pubmed

Dzelebdzic, S., Sasaki, N., ..., Muniz, J.C. (2022). Hypereosinophilic Syndrome with Advanced-Stage Loeffler Endocarditis. CASE (Phila.), 6(4), 191-195. View in Pubmed

Beroukhim, R.S., Ghelani, S., ..., Muniz, J.C., et al (2022). Accuracy of Cardiac Magnetic Resonance Imaging in Diagnosing Pediatric Cardiac Masses: A Multicenter Study. JACC. Cardiovascular imaging, 15(8), 1391-1405. View in Pubmed

Schauer, J., Caris, E., ..., Muniz, J.C., et al (2022). The Diagnostic Role of Echocardiographic Strain Analysis in Patients Presenting with Chest Pain and Elevated Troponin: A Multicenter Study. Journal of the American Society of Echocardiography, 35(8), 857-867. View in Pubmed

Aquino, L., Muniz, J.C., Laufer, P.M., et al (2022). Gore Cardioform ASD device thrombus weeks after COVID-19 infection. Catheterization and cardiovascular interventions, 99(4), 1161-1164. View in Pubmed

Duarte, D., Suntharos, P., Muniz, J.C., et al (2021). Multimodality Imaging Approach for Transcatheter Closure of an Unroofed Coronary Sinus With a Covered Stent. JACC. Cardiovascular imaging, 14(10), e107-e110. View in Pubmed

Al-Mousily, M.F., Lopez, L., ..., Muniz, J.C., et al. (2021). Aortic size in children: Systolic measurements are different from diastolic measurements. Annals of Pediatric Cardiology, 14(2), 165-169. View in Pubmed

Parikh, P. , Muniz, J.C., Lopez, L., ..., Sasaki, N. (2019). Rare Occurrence of Absent Pulmonary Valve Syndrome in the Setting of Double-Outlet Right Ventricle With Unbalanced Complete Atrioventricular Canal Defect . International journal of cardiology, 3(2), 56-59. View in Pubmed

Fundora, M.P., Sasaki, J., Muniz, J.C., Rossi, A., Rhodes, J.F. Jr, Hannan, R.L., et al (2017). Evaluation of Residual Coarctation in Infants with a Single Right Ventricle after Stage I Palliation. Pediatric Cardiology, 38(1), 115-122. View in Pubmed

Fundora, M.P., Aregullin, E.O., Wernovsky, G., Welch, E.M., Muniz, J.C., Sasaki, N., et al (2016). Echocardiographic and Surgical Correlation of Coronary Artery Patterns in Transposition of the Great Arteries. Congenital Heart Disease, 11(6), 570-577. View in Pubmed

Muniz, J.C., Dummer, K., Gauvreau, K., Colan, S.D., Fulton, D.R., Newburger, J.W. (2013). Coronary artery dimensions in febrile children without Kawasaki disease. Circulation: Cardiovascular Imaging, 6(2), 239-244. View in Pubmed

Primary Office

Nicklaus Children's Cardiology
3100 SW 62 Ave- Cardiology ACB - 2nd Fl
Miami, FL 33155
Phone Number:


Fellowship - Children's Hospital - Boston
Residency - Children's Hospital - Boston
Medical School - Georgetown Univ. School of Medicine

Board Certifications

American Board of Pediatrics (Ped Cardiology) - Certified