A 55-year-old Hayden man was killed in a one-vehicle accident near Razzles this morning in the 10300 block of Government Way, near Miles Avenue in Hayden. At about 11:15 a.m., Michael R. Poorboy crashed his 2008 Chevrolet van off Government Way and into a wooden fence and tree, where it stopped. Poorboy was unconscious when deputies arrived; lifesaving efforts were immediately started.  Northern Lakes Fire transported Poorboy to Kootenai Health, where he was pronounced dead without regaining consciousness. His next of kin have been notified. Investigators suspect a medical condition caused the crash. Further information will not be available until autopsy and toxicology results are completed/Kootenai County Sheriff's Department.