Figure 1. Transesophageal echocardiography showing early arrival
of bubbles to the left chambers . Bubble study with agitated saline
contrast. No atrial septal defect was evident with this technique.
Mid-esophageal four chamber (A) and mid-esophageal bicaval (B) views.
Abbreviations: LA= Left atrium; LV= Left ventricle; RA= Right atrium;
RV= Right ventricle.