Completed Study to Determine Safety and Dosage of OPTISON in Pediatric Participants NCT03740997 Conditions Suspected or Known Structural or Functional Cardiac Abnormality, Transthoracic Echocardiography Locations Phoenix Children's Hospital — Phoenix, Arizona, United States Children's Hospital Los Angeles — Los Angeles, California, United States MCG Health, Inc. — Augusta, Georgia, United States Ann & Robert H. Lurie Children's Hospital of Chicago — Chicago, Illinois, United States View more locations Show fewer locations Loading locations... View Trial Details