A secundum atrial septal defect is diagnosed on transthoracic echocardiography. The 12-lead ECG will show an incomplete right bundle branch block and right axis deviation (in contrast to the ...

A primum atrial septal defect is diagnosed on transthoracic echocardiography. The 12-lead ECG will show an incomplete right bundle branch block and left axis deviation (in contrast to the secundum ...

Echocardiography and MRI have completely ... was significant. Postprocedure atrial fibrillation and persistent atrial septal aneurysm had been found as significant predictors for thrombus formation.