Here are step-by-step instructions on how to do the Heimlich maneuver and unblock a person's airway: | WebMD

Dramatic surveillance footage captured the moment a teenage restaurant worker performed the Heimlich maneuver on a choking customer. High school student Madison Brydels was hanging up Halloween decorations at Budatan Asian Cuisine in Moss Bluff, Louisiana, when she saw the man struggling to breathe. “I honestly don’t see myself as a hero. It was just a natural reaction … I would have done it to anybody,” Brydels told local news. | ABC News