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ach year, Ϸ1.1 million Americans experience a heart attack; Ϸ460 000 of them are fatal.Of those who die, almost half do so suddenly, before they can get to a hospital.Although a heart attack is a frightening event, if you learn the signs of a heart attack and what steps to take, you can save a life-perhaps even your own.
Ornato et al. (Tue,) studied this question.