(Portland, OR) -- The Multnomah County Medical Examiner has released the cause of death for a man who fell off his bike and died eleven days later. On July 6th, 74-year-old Gad Alon was riding in the Multnomah Neighborhood when he fell off his bike. Portland Police weren't initially called, because there wasn't a vehicle involved and there was no indication of a crime. The Medical Examiner says Alon died from a significant medical event.