A 74-year-old man died after experiencing a medical emergency and then driving off the road at Route 60 and Blackhawk Trail in Fremont Township Friday morning | Photo: Lake County Sheriff’s Office.

A 74-year-old man who drove off the road into a cornfield in Fremont Township died of a rupture in his aorta, according to Lake County Coroner Dr. Howard Cooper.

Sandro Montagnani, 74, of Adairville, Kentucky, died from complications of a hemorrhage due to an aortal pulmonary fistula rupture, Cooper said.

The Lake County Sheriff’s Office and Greater Round Lake Fire Protection District responded around 9:15 a.m. Friday to Route 60 and Blackhawk Trail in Fremont Township for a report of a single-vehicle crash.

Sheriff’s deputies arrived and found a 2014 Dodge Journey approximately 100 feet off the roadway north of Route 60 and east of Fairfield Road. The driver, later identified as Montagnani, was driving his vehicle westbound on Route 60.

Cooper said that the hemorrhage caused Montagnani to lose consciousness and his vehicle left the roadway, where it went airbone, sideswiped trees and wires, and came to a rest 100 feet into a cornfield.

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The man was not wearing a seatbelt and was the sole occupant of the vehicle. Paramedics pronounced him dead at the scene.

Cooper also said that the autopsy showed Montagnani did not suffer any injuries due to the crash.

The crash remains under investigation by the Lake County Sheriff’s Office Technical Crash Investigations Unit and the Lake County Coroner’s Office.