Because it's like whenever you try to find anything online about vasovagal syncope at all, it's more explaining "woah something weird happened to me once or twice" rather than someone feeling what must be the cold embrace of death about every fuckin' week.
-Carefully taking sips from the Fire Hose of Knowledge
Don't be hysterical when speaking to people trying to help then. Stay calm (write out what you need to discuss beforehand and bring it along if you need to), be persistent and get the answers you want. They'll be more likely to treat you seriously if you act seriously (I'm not saying it's ok for them to be unprofessional, but alas you gotta learn to deal with people).
And yes, there are such things as INTPs who overuse emoticons