Jonah Imeson says he'd heard plenty of stories about people waiting for hours in New Brunswick's emergency rooms and even dying before being seen by a physician, but then he had his own scare and he's still shaken. 

The 35-year-old graphic designer, with Type 2 diabetes, said he waited 13 hours at the Moncton Hospital ER with chest discomfort, arm pain, nausea, high blood pressure and a sensation like heartburn before he was seen by a doctor, who told him he'd likely had a heart attack and could…