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| Cribiform Atrial Septal Defect |
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| Cribiform Atrial Septal Defect
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•Heart is positioned such that the the inferior border is
facing towards your left. View of inflow tract of rt. V..
•Note the thin transluscent tricuspid valve between the
right ventricle below and atrium above.
•Note the 2 defects (arrow) just above the T.valve ring.
•Note the curved rim of the fossa ovalis just above the
handle of the arrow. This is the inferior margin of the
septum secundum, with the septum below it being of
septum primum origin.
•This is therefore a defect of the septum primum type.
| | (Description By:J. Hasson, M.D. )
| | (Image Contrib. by: UCHC )
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