Crystal Hiwalker wonders if her heart and lungs would have kept working if the ambulance crew had been able to give her a transfusion as the blood drained from her body during a stormy, 100-mile ride. Because of the 2019 snowstorm, it took 2.5 hours to drive from her small town of Lame Deer, Montana, to the advanced trauma center in Billings. Doctors at the Billings Clinic hospital revived Hiwalker and stopped the bleeding from her ruptured ectopic pregnancy. They were shocked that she not only survived after her heart stopped beating and she lost nearly all her blood, but that she recovered w…