What is a 1cm atrial defect..how severe is it and what can we do about it.
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replied February 1st, 2019
Hello and welcome

I appreciate your concern

Aatrial septal defects < 6 mm typically close spontaneously. An ASD > 1 cm is quite large and its unlikely to undergo spontaneous closure. It may need surgical or device closure

Wishing you best of health


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