Pediatric Heart Expert Forum
2.5mm premembranous VSD and 3mm ASD with left to right shunt
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2.5mm premembranous VSD and 3mm ASD with left to right shunt

Hi Doctor,

My 3 months old son was first diagnosed in 5th week with a 3.5 mm fenestrated ASD with left to right shunt no PAH. On the thirteenth week he was again diagnosed with a 2.5 mm premembranous VSD and 3.0 mm ASD with left to right shunt.

Kindly advice the chances of autoclosure and precautions that should be taken.

Thanks,
Malabica
773655_tn?1340656399
All children are born with an opening between the upper heart chambers that can range in size from 1-4 mm, and is called a patent foramen ovale (PFO).  There is some natural tissue over it that closes the hole over time, and sometimes there are little openings, or fenestrations, in that tissue.  It sounds like your child has the normal type of hole between the upper heart chambers given the fact that it is only 3.5 mm in size.  there is a high chance that this will close completely in the first 2 years of life.  the 2.5 mm perimembranous VSD between the lower heart chambers is also a small hole and would not be expected to cause any extra work for the heart.  As such, your child should be asymptomatic from a heart perspective.  There are no special precautions to take.  Just follow up as planned with your doctors.  Good luck.
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