Newsome, on a morning flight back to Baltimore, said he expected to be back at work in the afternoon, The Baltimore Sun reported.
"I'm fine. All my tests were normal and there is nothing wrong with me," Newsome told the Sun. "They didn't find anything."
After the 5-hour, 16-minute game Sunday, Newsome was taken from Soldier Field to a local hospital by ambulance.
Newsome was sweating profusely after the game and a team doctor recommended he not fly home Sunday night.
He said "we don't know right now," what caused his condition.
A Hall of Fame tight end, the 57-year-old Newsome has no known medical conditions. He has been the Ravens' general manager since 2002.
The Ravens lost to the Bears in overtime, 23-20