My goal with this entry is to help provide insight into one particular kind of challenge faced by parents of kids with significant cognitive impairment.  As someone with a background in emergency medicine, I find it particularly frustrating when I need to gather medically relevant information from Gavin.  This is a very difficult situation because Gavin is significantly cognitively impaired and is unable to provide information about how he's feeling or doing.  Today was a perfect example of this and it was unbelievably frustrating for me.  Shortly after dinner, I told Gavin that we've made it past the 72 hr mark and that he should be okay. It was about 72 hours ago that he'd eaten raw chicken and we were watching him carefully for signs of Salmonella poisoning.  After…