After the Heimlich wasn't effective, they had to do CPR for four or five minutes until the woman started to respond.

Natalie May, a student at East Kentwood High School, saved a man’s life through the technique while working as a waitress at Brann’s Steakhouse and Grille in Grand Rapids, Mich.

The Mayo Clinic recommends taking your fist in your hand and shoving it into your navel using a hard surface like a countertop or chair. Repeatedly shove into the navel to force air out of the lungs.

I didn’t know he was actually, actually choking so I just did my thing, which was a Heimlich,” Jayceon said ... said he panicked when he first saw a missed call from the school.