Call 911 or ask someone else to call 911.
Push hard and fast in the center of the chest to the beat of a familiar song that has 100 to 120 beats per minute.
Song examples include “Stayin’ Alive” by the Bee Gees, “Crazy in Love” by Beyonce featuring Jay-z, “Hips Don’t Lie” by Shakira, or “Walk the Line” by Johnny Cash. Prefer classical? You can also use the tempo from “Radetzky March” by Johann Strauss or “Phantom of the Opera” by Andrew Lloyd Weber.