Can echocardiography miss asd? i had about 5 and after, 25 years a ct scan just picked up a papvr. i was wondering if, they could, have missed asd as well? as i know sometimes asd and papvr coincide. ..

Echo: A transthoracic echocardiogram may not detect some asd's. Using the esophageal technique detects some asd's missed by the transthoracic technique. The commonest technique in echcardiography is the trans thoracic technique.

Yes: They can be missed at times and are only seen on transesophageal echos sometimes.

Yes: It would be easy to miss an asd. Diagnosing it requires a high clinical index of suspicion. The echo tech must be alerted and special views obtained, usually with agitated saline contrast injected intravenously.