text_1: 63-year-old man got hyponatremic (sodium 120, 121) so I had a question about the causes and treatment of that.  He had a seizure.  I was never convinced it was from the low sodium though, because usually it has to be 110 or 115.  So I looked that up to see if that sodium level could cause a seizure.
text_2: Boys' father has Marfan's Syndrome. Do these boys need further evaluation?