Abstract:Echocardiography is useful for making a diagnosis of atrial septal defect (ASD) by directly visualizing the shunt flow. Herein, we present a case in which a single ostium secundum type ASD masqueraded as multiple defects on color flow imaging by transthoracic echocardiography. We confirmed by transesophageal echocardiography that this patient actually had a single ASD. An echocardiographic refraction artifact was considered to be the cause of this phenomenon. We need to be aware of the existence of this artifa… Show more
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