St. Mary’s Cardiology Clinic


25500 Point Lookout Road
Outpatient Pavilion, 2nd Floor/Specialty Physicians Office
Leonardtown, Maryland 20650
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Phone: 202-476-2090

Children's National offers cardiology services at St. Mary’s Cardiology Clinic.

Services at this location include:

  • EKG
  • Echocardiography
  • Event Monitoring Holter Monitoring Hypertension Clinic
Conditions & Treatments

Conditions & Treatments

Cardiac Imaging

Children's is a national leader in congenital heart disease imaging. The pediatric echocardiography laboratory performs approximately 14,000 studies annually.

Cardiac MRI

Learn more about how we’re reducing or eliminating radiation exposure using advanced cardiac MRI technology.

Functional Imaging

Exercise testing is useful diagnostic and treatment tool for the assessment of the heart function in children.