Jonathan's Posts

Member Since: December 12, 2011

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Jonathan Tyler posted an update
14 years ago (January 26, 2012)
Is there anyone else on here that has Congenital Supra Valvular Aortic Stenosis without Williams Syndrome?
Jonathan Tyler posted an update
14 years ago (December 25, 2011)
This is a very interesting site. Adam has done a great job, and of course I am about to buy the book. Today as with a lot of other days that the weather changes, my chest is swollen and sore. I use to "make fun of" my elders when they... Read more.

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Dr. Christopher Heid is a leading cardiac surgeon at UT Southwestern in Dallas, Texas who specializes in heart valve repair and replacement operations.