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Dr. Sherif S. Tawfik
Dr. Alan Benheim
Dr. Sharon S. Karr
Dr. Jin H. Park


Dr. Sherif Tawfik
Dr. Alan Benheim
Dr. Sharon S. Karr
Dr. Jin H. Park

Dr. Annette K. Ansong

ICAEL Accredited

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Echo Department

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Echocardiography is a complex imaging technique that relies on the experience and training of both the physician and sonographer. Their interpretive and technical abilities determine the diagnostic accuracy of an echocardiographic examination.

Cardiac structure and flow information provided by echocardiographic testing is useful in the detection and management of many types of heart disease. This noninvasive test has become one of the standard diagnostic tools in cardiology.


ICAEL Accreditation

The Intersocietal Commission for the Accreditation of Echocardiography Laboratories (ICAEL) has developed an accreditation program which evaluates the quality of the critical elements of an echocardiography laboratory. Pediatric Cardiology Associates, PC has been granted accreditation by ICAEL and was one of the first one thousand echocardiography laboratories in the United States, Canada and Puerto Rico to be so recognized for its commitment to high quality patient care and its provision of quality diagnostic testing.

Dr. Sharon S. Karr is the Medical Director for our ICAEL accredited laboratory. Susan Dziedzic is the Technical Director of the Echocardiography Department.


The Cardiac Sonographer Team

Our highly experienced sonographer staff is registered in pediatric echocardiography.  To become a registered diagnostic medical sonographer, with special credentialing for pediatric cardiology, each sonographer completed a rigorous curriculum and passed a difficult examination.  The department strives for exceptional quality care, requiring ongoing continuing education while also incorporating best practices from top echo labs in the country. The department participates in various research studies and continues to be a resource to the health care community in training other sonographers.




pedicatriccardiologist sue

Susan Dziedzic, RDCS, FASE

Sue is a cardiac sonographer and the Technical Director of the Echocardiography Department. She is registered with the American Registry of Diagnostic Medical Sonographers in pediatric, fetal and adult echocardiography and is a Fellow of the American Society of Echocardiography. Her professional interests include pediatric and fetal echo, with continuing education focused on new advances in the field both locally and abroad. Sue has been part of the Pediatric Cardiology Associates team since 1994. She enjoys family time with her husband, daughter, son-in-law and grandchildren as well as personal interests including yoga, reading, gardening, swimming, ballet and Washington National’s baseball. 


Melissa Kinder, RDCS

Melissa Kinder - Chief Echocardiography Sonographer is a Registered Diagnostic Cardiac Sonographer with the American Registry of Diagnostic Medical Sonographers.  She graduated from the Diagnostic Medical Sonography program at University of Maryland, Baltimore County.  She began her career in Adult Echo but was thrilled to make the transition into Pediatric Echocardiography.  Melissa also completed here Bachelor of Arts at UMBC in Graphic Design in 2009.  Her interests include hiking, biking, and spending time with friends and family.  She is excited to join the Pediatric Cardiology Associates team and become registered in both pediatric and fetal echo.


Jane Peters-Arnold, RDCS


Julie Grozev, RDCS