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Fig. 2C —Images from transesophageal echocardiography performed 6 days after
CT study show atrial septal aneurysm oscillating throughout cardiac cycle and
right-to-left shunt at atrial level after administration of agitated saline.
RA = right atrium, LA = left atrium, AV = aortic valve, arrow = atrial septum.
Image after administration of saline containing microbubbles shows increased
echogenicity in right atrium representing bolus and speckled echoes in left
atrium from passage of microbubbles through patent foramen ovale.
