"We'll get an EKG reading and the ER physician will activate the cath lab. Once you activate it, a huge team has to be assembled," Husain said. "If it's overnight, people are sometimes coming in from home. If you can get someone coming in from home five minutes faster, I think it's a big deal."
For more about heart attacks, head to the U.S. National Heart, Lung, and Blood Institute.
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