Both troopers performed CPR until an ambulance arrived.
Mijares' wife, Nenita Mijares, thanked Johnson and Pittman later Thursday at the hospital.
“If they're not there, probably he (Hector) wouldn't make it,” Nenita Mijares said.
She told troopers her husband is a retired commercial airline pilot and they moved to Oklahoma City after he retired in the Philippines.
Hector Mijares was blue around the fingertips and lips when he was loaded onto an ambulance, troopers said. Ambulance crew members continued CPR en route to Moore Regional Hospital.
Hector Mijares was later taken to Norman Regional Hospital HealthPlex cardiac center.
Hector Mijares was in intensive care at the Norman hospital on Thursday, OHP spokesman Capt. Chris West said.
The wreck happened in the southbound lanes about a half mile south of N 27 in Moore. Pittman said a box truck was driving south followed by a van and the SUV driven by Hector Mijares when the vehicles were involved in the crash.
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See a video about Hector Mijares on NewsOK.com.