978-1-4222-3398-6

doesn’t have a pulse or is unconscious. But this guy is sitting there, talking to us! He didn’t know it until we told him, but he was having what we call a cardiac event. It’s when your heart beats so fast that it doesn’t have time to fill with blood again [after each beat].” If Davis and Armentrout did not act imme- diately, the man could have a fatal heart attack at any minute. Calling on his years of training, but adding a little creativity, Davis came up with a solution. In the next few minutes, his decisions and his ac- tions would see that the man lived . . . or died.

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